Average Weather in August in Congress Arizona, United States
Daily high temperatures decrease by 4°F, from 96°F to 93°F, rarely falling below 86°F or exceeding 103°F.
Daily low temperatures decrease by 4°F, from 74°F to 70°F, rarely falling below 64°F or exceeding 79°F.
For reference, on July 4, the hottest day of the year, temperatures in Congress typically range from 72°F to 98°F, while on December 26, the coldest day of the year, they range from 36°F to 58°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in August
The month of August in Congress experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 31% to 19%.
The clearest day of the month is August 31, with clear, mostly clear, or partly cloudy conditions 81% of the time.
For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 40%, while on September 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%.
Cloud Cover Categories in August
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Congress, the chance of a wet day over the course of August is essentially constant, remaining around 20% throughout.
For reference, the year's highest daily chance of a wet day is 22% on August 9, and its lowest chance is 1% on June 12.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Congress is essentially constant, remaining about 1.1 inches throughout, and rarely exceeding 2.3 inches or falling below 0.2 inches.
The highest average 31-day accumulation is 1.1 inches on August 20.
Average Monthly Rainfall in August
Over the course of August in Congress, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 56 minutes, implying an average daily decrease of 1 minute, 51 seconds, and weekly decrease of 13 minutes, 0 seconds.
The shortest day of the month is August 31, with 12 hours, 53 minutes of daylight and the longest day is August 1, with 13 hours, 49 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Congress is 5:42 AM on August 1 and the latest sunrise is 22 minutes later at 6:04 AM on August 31.
The latest sunset is 7:31 PM on August 1 and the earliest sunset is 34 minutes earlier at 6:57 PM on August 31.
Daylight saving time is not observed in Congress during 2020.
For reference, on June 20, the longest day of the year, the Sun rises at 5:20 AM and sets 14 hours, 26 minutes later, at 7:46 PM, while on December 21, the shortest day of the year, it rises at 7:33 AM and sets 9 hours, 52 minutes later, at 5:26 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Congress is essentially constant during August, remaining within 1% of 4% throughout.
The highest chance of a muggy day during August is 5% on August 12.
For reference, on August 12, the muggiest day of the year, there are muggy conditions 5% of the time, while on October 11, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Congress is essentially constant during August, remaining within 0.1 miles per hour of 6.6 miles per hour throughout.
For reference, on April 23, the windiest day of the year, the daily average wind speed is 8.6 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 6.5 miles per hour.
The lowest daily average wind speed during August is 6.5 miles per hour on August 15.
Average Wind Speed in August
The hourly average wind direction in Congress throughout August is predominantly from the south, with a peak proportion of 42% on August 5.
Wind Direction in August
The growing season in Congress typically lasts for 9.1 months (277 days), from around February 26 to around November 29, rarely starting before January 23 or after March 27, and rarely ending before November 12 or after December 18.
The month of August in Congress is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Congress are very rapidly increasing during August, increasing by 927°F, from 3,382°F to 4,309°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Congress is essentially constant during August, remaining within 0.2 kWh of 6.8 kWh throughout.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Congress are 34.163 deg latitude, -112.851 deg longitude, and 3,031 ft elevation.
The topography within 2 miles of Congress contains very significant variations in elevation, with a maximum elevation change of 1,102 feet and an average elevation above sea level of 3,039 feet. Within 10 miles contains very significant variations in elevation (3,753 feet). Within 50 miles also contains extreme variations in elevation (7,110 feet).
The area within 2 miles of Congress is covered by shrubs (100%), within 10 miles by shrubs (95%), and within 50 miles by shrubs (88%).
This report illustrates the typical weather in Congress year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Congress.
For each station, the records are corrected for the elevation difference between that station and Congress according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Congress is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Congress and a given station.
The stations contributing to this reconstruction are: Ernest A. Love Field (29%, 67 kilometers, northeast); Luke Air Force Base (25%, 82 kilometers, southeast); Buckeye Municipal Airport (24%, 84 kilometers, south); Kingman Airport (13%, 157 kilometers, northwest); and Needles Airport (10%, 176 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .