phoenix average temperature by year

The easy answer is to say that we stay inside quite a bit. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. These temperature extremes were measured at Sky Harbor International Airport near downtown Phoenix and go back to 1948. Throughout the year, The Valley averages temperatures about 5 to 10 degrees warmer for both our highs and our lows. Office of Climatology,ArizonaStateUniversity. This is especially true during much of July and August when the atmosphere becomes laden with tropical moisture. All the temperature data were collected at Sky Harbor International Airport near downtown Phoenix. ByRobert C. Balling, Jr., and Sandra W. Brazel The background color fills indicate the azimuth (the compass bearing) of the sun. For print usage, please acquire a license. In most sections of the country, people look forward to summer. These data also show high values in the 1910s and 1920s and low values in the 1970s and 1980s. The average temperatures for the Phoenix summer weather are between 104 and 106 degrees. Clouds reflect a substantial portion of the solar energy. The month with the most wet days in Phoenix is August, with an average of 5.6 days with at least 0.04 inches of precipitation. We also get very little rain in the winter, where Florida gets a couple of inches per month. We get a LOT of days over 100 degrees. The increased water vapor in the atmosphere is due to a shift in the winds from a predominantly westerly direction to a southerly direction, the so-called Arizona Monsoon. Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. The rainless period of the year lasts for 3.2 months, from April 3 to July 9. Sign up today for our monthly newsletter with tips to help you explore the best of Phoenix. It is hoped that these data will help residents, visitors, prospective residents, agriculturalists, engineers, community planners, Chambers of Commerce, the movie industry, etc., make more skillful decisions affecting their lives, their plans for the future, and hence the whole economy of the area. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The year's hottest days are normally in late June through the first half of July. Please wait Average temperature is the most popular factor that people take into consideration when looking for the best city to live in. Sunshine inPhoenixarea averages 86 percent of possible, ranging from a minimum monthly average of around 78 percent in January and December to a maximum of 94 percent in June. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Please review our full terms contained on our Terms of Service page. If we have an unusually dry summer, it might even stay extremely hot through September and into early October. In the desert southwest, however, summer is the most undesirable time of the year. Again, that is impossible in freezing cold or a snow/sleet storm. Clear. In the 1800s when communications in theUnited Stateswere improved by the development of the railroads and telegraph, the practice of predicting weather from purely local signs and the haphazard measuring of meteorological phenomena began to decline. We are the only large city in the US with this climate. Local Climatological Data, Monthly forPhoenix,Arizona. July is the hottest month of the year in Phoenix as the average high temperature shoots to 104F (40C). In this report, we use a base of 50F and a cap of 86F. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. See more current weather Annual Weather Averages Near Phoenix Averages are for Phoenix Sky Harbor International Airport, which is 4 miles from Phoenix. The purpose of this publication is to provide comprehensive data on the climate ofPhoenix. Phoenixis located in about the center of theSalt RiverValley, a broad, oval-shaped, nearly flat plain. Please select one of the following: Experimental Graphical Hazardous Weather Outlook, Local KIWA Standard Radar (low bandwidth), Local KYUX Standard Radar (low bandwidth), Regional Standard Radars (Southern Rockies) (low bandwidth), Phoenix NWS Watch, Warning, Advisory Product Criteria, National Oceanic and Atmospheric Administration. Faced with the growth of public interest, civic pride and the need to provide the best coverage for its forecasting and warning services with limited funds, the Weather Bureau could only slowly grant requests to establish weather stations in a rapidly expanding Nation. The following list provides official 30-year averages for certain temperature thresholds, as well as the earliest and latest days of occurrence for each if these cities. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. This marks 100 years of continuous weather records forPhoenix. The change from the heat of summer to the mild winter temperatures usually occurs during October. Despite local interest in atmosphere moisture trends in the valley, surprisingly little scientific research has directly addressed this issue. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Using the temperature and humidity, the heat index can be arrived at by using the graph. The hottest day on record was on June 26, 1990 when the temperature reached a scorching 122 degrees. The most important is the receipt of solar energy, for solar energy is the force that drives most of the other climatic elements. But, since it is a little further north, they have just slightly cooler temperatures. The autumn season, beginning during the latter part of September, is characterized by sudden changes in temperature. Records had been kept inPhoenixby the Signal Service beginning on January 28, 1876, and Signal Service personnel continued to take observations until they transferred the station on the corner of Center andWashingtonStreets to the Weather Bureau on August 6, 1895. It is seen that the largest average daily receipts occur in July and August. The cloudiest month of the year in Phoenix is February, during which on average the sky is overcast or mostly cloudy 37% of the time. Weather data is prone to errors, outages, and other defects. We chose relative humidity and dew point temperatures for statistical analysis. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 77 F. They are out there for the temperature in Fahrenheit, but good luck finding anything in Celsius. SinceArizonahas a distinct two season rainfall pattern (a monsoon season, July through September and a winter season, December through April), we chose the months of May, June, October, and November for analysis. This means we have long, hot summers. Solar elevation and azimuth over the course of the year 2022. The percentage of time spent in various temperature bands. Where we live, they close down the pool for the winter as us locals think it's WAY too cold to go swimming. Weather Bureau was established, that development of reporting stations proceeded with cautious economy. The daily amounts of solar energy that are received at the top of the atmosphere (the extra-terrestrial radiation, or ETR)isshown in curve A. Another reason we love the heat compared to the cold is that you can also get up really early and enjoy some outdoor time before it gets too hot. Vegas averages in the 99 to 104 range. See more current weather Select month: Past Weather in Phoenix Graph F Sat, Oct 8 Lo:84 12 pm Hi:88 5 Lo:73 6 pm Hi:84 11 Sun, Oct 9 Lo:72 12 am Hi:73 2 Lo:70 You can find even more about the Phoenix weather in fall below. The rainy period of the year lasts for 8.8 months, from July 9 to April 3, with a sliding 31-day rainfall of at least 0.5 inches. This page gives the highest temperature for each year in Phoenix and the date that it happened. Even though we have a dry heat, the sun is intense and being outside in the late morning until right before sundown can be unpleasant and dangerous. How many 100 degree days does Phoenix get? Clearly, the daily average temperature atPhoenixis the result of primarily the solar energy reaching the earths surface and the precipitation regime. . Yet air temperature is the result of many other climatic elements. The predominant average hourly wind direction in Phoenix varies throughout the year. The yearly averages are based on the averages of the twelve months. This report shows the past weather for Phoenix, providing a weather history for 2022. The summer of 2020 was especially hot with 51 days of temperatures above 110 degrees. Highest Temperature in Phoenix for Each Year. Phoenix Temperature History 2022 Link Download Compare However, due to the incredibly dry heat, it will feel quite a bit cooler. The areas of the graph are labeled: very warm, hot, very hot, and extremely hot. How do people survive the summer? Tucsonfollowed in September of that year, and it was not until four years later that the small community ofPhoenixrated a full station. With our intense sunshine and lack of rain, the summer temperatures start to heat up in late May and it's hot through the middle of September. How Many Inches of Rain per year does Phoenix get ? The central floor of theSalt RiverValleyis irrigated by water from dams built on theSalt Riversystem. Scattered clouds. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Aram and I get this question quite a bit. Three years later in June 1916, the office moved to the Water Users Building on the southeast corner of2nd Avenueand Van Buren. The average high temperature in Phoenix now climbs to 91.9 degrees, with evening hours reaching 66.3 degrees. The earliest sunrise is at 5:17 AM on June 12, and the latest sunrise is 2 hours, 15 minutes later at 7:33 AM on January 7. A date with a plus sign beside it means it was that hot on at least one other day earlier that year. WeatherSpark.com. The latitude for the valley is around 33 degrees north. HIGHEST MAXIMUM AND LOWEST MINIMUM BY MONTHS AND DAY AND YEAR OF OCCURRENCE 1896-2008 Our personal favorite months are October, November, March, and April. Ms. Brazel and Mr.Ballingsresearch paper, The Myth of Increasing Moisture Levels inPhoenix, is also included in this Technical Memorandum. This is also the time of year when you start to see those from the north make their annual migration to the south. As most of the U.S. stays inside in the winter, we in Arizona are the opposite and stay inside during the summer. This is when the temperatures are a comfortable 70 to 90 degrees. It again points out that with urbanization, more buildings of all kinds, more paved surfaces and the heat island effect, the relative humidity decreases. Our beach/pool temperature score is 0 for perceived temperatures below 65F, rising linearly to 9 for 75F, to 10 for 82F, falling linearly to 9 for 90F, and to 1 for 100F or hotter. During the winter months, the temperature is marginal for some types of crops. Greatest number of consecutive months with average temperature above normal: 38 Months from January 1988 through February 1991. It was soon realized that a simultaneous knowledge of weather conditions all over the country could conceivably enable man to predict storms of major consequences, and that warnings from such predictions could save countless lives and protect property investments. The original weather services provided by the military organization covered only the Gulf andAtlanticCoastsand theGreat Lakes. Showing: Weather by CustomWeather, 2022 The month with the least rain in Phoenix is June, with an average rainfall of 0.1 inches. This is caused by (a) paved surfaces that store little moisture and force rapid runoff following a rain event and (b) increased temperature in the urban heat island. Annual high temperature: 87F: Annual low temperature: 63F: Days per year with precip. The climate is of a desert type with low annual rainfall and low relative humidity. A climate chart for your city, indicating the monthly high temperatures and rainfall. In the United States, Phoenix is renowned for being a very hot city: in fact, it is the hottest of the big American cities. To characterize how pleasant the weather is in Phoenix throughout the year, we compute two travel scores. It is apparent that only about 70% of the ETR reaches the surface under these conditions. Phoenix weather is slightly hotter than Las Vegas. Find out! Global Summary of the Year, Version 1.0. On average, we reach 100 or higher about 110 days a year! In 1901 the office was moved to the southwest corner of 1st Avenue and Adams where it remained until it moved into the Federal Building on the southwest corner of 1st Avenue and Van Buren in March 1913. Please try another search. Spring in Phoenix is amazing: In March, temperatures warm up to average in the mid-70s. Some resorts and apartment complexes will keep their pools open throughout the year. Due to our climate, we also get very little rain throughout the year. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The selection of theU.S.Army Signal Service to take such observations was dictated by the availability of communications facilities which the Signal Service had developed during the Civil War andwerecontinuing to develop for protection against the Indians after the war. The amounts vary from nearly a thousandLangleys(1Langley= 1 calorie per square centimeter) on the day of the Summer Solstice to about 400Langleyson the day of the Winter Solstice. What was the weather like on your birthday or another date in history? These values of relative humidity are averages of the five years. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Greatest number of consecutive months with average temperature below normal: 13 Months from May 1916 through May 1917. Most of Florida is in a humid subtropical climate, which means they get a LOT of rain during the months of May to October. Please Contact Us. Is Phoenix hotter than Las Vegas? Days of Hot Weather in Phoenix Nearly every day during summer, the temperature in Phoenix tops 99 F. During the winter, skies are sometimes cloudy, but sunny skies predominate and the temperatures are mild. Phoenix's coldest month is January when the average temperature overnight is 43.4F. Overnight temperatures also range from around 77 in September down to the mid-50s in November. Okay, maybe two words - Hot & Dry! The temperature of the air is probably the element that most people are aware of. The average high temperatures in Phoenix are: January (68 degrees Fahrenheit), April (84 degrees Fahrenheit), July (105 degrees Fahrenheit), and October (89 degrees Fahrenheit). The spring and fall months are generally dry, although precipitation in substantial amounts has fallen occasionally during every month of the year. The first set of high and low temperatures are averages for 2010 to 2019. The wetter season lasts 8.5 months, from July 6 to March 20, with a greater than 10% chance of a given day being a wet day. Just as an increase in wind makes the cold air more unbearable, so does an increase in the moisture content of the air make the high summer temperatures more uncomfortable. We have dry heat, which has a different feel than the humid summer days in Florida. 50.0F. Since it is almost impossible to drive anywhere during a snowstorm in the winter, we both agree with him 100%. In the summer months, we average about 104 - 106 degrees each day. However, many scientists have shown that cities usually act to decrease moisture levels in the atmosphere. Everything else here is based on 1991 to 2020 weather. The shaded overlays indicate night and civil twilight. (Weather station: Phoenix Sky Harbor International Airport, USA). While the temperatures are hotter here, it might feel more pleasant than Florida if you don't like humidity. However, the comparison isn't that easy for the reasons mentioned below. July is the hottest and averages 106 daily. Even during winter months, while it seldom reaches 80, the days will usually get to at least 60 degrees. By November, the mild winter season is definitely established in theSalt RiverValleyregion. The area within 2 miles of Phoenix is covered by artificial surfaces (52%) and shrubs (48%), within 10 miles by artificial surfaces (51%) and shrubs (44%), and within 50 miles by shrubs (85%). Beginning with June, daytime weather is hot. The shaded overlays indicate night and civil twilight. It's not uncommon to have every day of the month reach a high of 105 or 106 degrees. St . Also shown is the ten-year average daily precipitation atPhoenix(curve G). Phoenix's coldest days of the year usually occur in late December when the daily maximum temperature averages 65 degrees Fahrenheit (18 degrees Celsius) and the minimum averages 44 F (7 C). TheSuperstitionMountainsare approximately 35 miles to the east and rise to 5000 feet MSL. Throughout the year, The Valley averages temperatures about 5 to 10 degrees warmer for both our highs and our lows. Temperatures in Phoenix are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. Our tourism temperature score is 0 for perceived temperatures below 50F, rising linearly to 9 for 65F, to 10 for 75F, falling linearly to 9 for 80F, and to 1 for 90F or hotter. The cool season lasts for 3.2 months, from November 21 to February 26, with an average daily high temperature below 74F. The results for the dew points were somewhat surprising. This is due primarily to the thermal lag of the earth. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Monthly averages Phoenix Longitude: -112.013, Latitude: 33.4311 Average weather Phoenix, AZ - 85034. During the spring, skies are also predominately sunny with warm temperatures during the day and mild pleasant evenings. These transition months should be the least affected by large-scale weather disturbances since they are in between the precipitation seasons. Watch the snowbirds start to migrate back north about this time. For example, if the temperature is 0_F and the wind is 5 mph, the wind-chill factor is -5_F; at 10 mph, it is -22_F; and at 20 mph it is -39_F. 73.3F. In 2022, the shortest day is December 21, with 9 hours, 56 minutes of daylight; the longest day is June 21, with 14 hours, 22 minutes of daylight. In Phoenix, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. What is the winter like in Phoenix? Phoenix weather in the fall offers everything from 100+ degree days in early September to temperatures in the lower 70s in late November. These statistical procedures allow us to make conclusions regarding any trends, cycles, or discontinuities in the moisture records. In October 1970, the name was changed to the National Weather Service, and it became an integral part of the National Oceanic and Atmospheric Administration (NOAA). Summer thundershowers seldom occur in the valley before evening. This law provided for the distribution of meteorological information in the interest of agriculture and commerce as one of the Weather Bureaus major functions. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. 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