Average Weather in August in Gilmer Texas, United States
Daily high temperatures decrease by 2°F, from 94°F to 92°F, rarely falling below 85°F or exceeding 100°F. The highest daily average high temperature is 94°F on August 13.
Daily low temperatures decrease by 3°F, from 74°F to 71°F, rarely falling below 65°F or exceeding 78°F.
For reference, on August 5, the hottest day of the year, temperatures in Gilmer typically range from 74°F to 94°F, while on January 7, the coldest day of the year, they range from 38°F to 57°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 Gilmer experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 33% throughout the month.
The clearest day of the month is August 2, with clear, mostly clear, or partly cloudy conditions 67% of the time.
For reference, on February 24, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 49%, while on October 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 72%.
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 Gilmer, the chance of a wet day over the course of August is essentially constant, remaining around 23% throughout.
For reference, the year's highest daily chance of a wet day is 37% on May 15, and its lowest chance is 21% on September 20.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Gilmer is essentially constant, remaining about 2.1 inches throughout, and rarely exceeding 5.1 inches or falling below 0.3 inches.
The lowest average 31-day accumulation is 2.0 inches on August 14.
Average Monthly Rainfall in August
Over the course of August in Gilmer, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 52 minutes, implying an average daily decrease of 1 minute, 45 seconds, and weekly decrease of 12 minutes, 15 seconds.
The shortest day of the month is August 31, with 12 hours, 52 minutes of daylight and the longest day is August 1, with 13 hours, 44 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Gilmer is 6:33 AM on August 1 and the latest sunrise is 20 minutes later at 6:53 AM on August 31.
The latest sunset is 8:18 PM on August 1 and the earliest sunset is 32 minutes earlier at 7:45 PM on August 31.
Daylight saving time is observed in Gilmer during 2018, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:12 AM and sets 14 hours, 19 minutes later, at 8:30 PM, while on December 21, the shortest day of the year, it rises at 7:18 AM and sets 10 hours, 0 minutes later, at 5:17 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Gilmer is rapidly decreasing during August, falling from 93% to 81% over the course of the month.
For reference, on July 14, the muggiest day of the year, there are muggy conditions 95% of the time, while on January 23, the least muggy day of the year, there are muggy conditions 1% 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 Gilmer is essentially constant during August, remaining within 0.1 miles per hour of 5.9 miles per hour throughout.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 8.9 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 5.8 miles per hour.
The lowest daily average wind speed during August is 5.8 miles per hour on August 16.
Average Wind Speed in August
Wind Direction in August
The growing season in Gilmer typically lasts for 8.5 months (262 days), from around March 5 to around November 22, rarely starting before February 9 or after March 31, and rarely ending before October 31 or after December 12.
The month of August in Gilmer 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 Gilmer are very rapidly increasing during August, increasing by 911°F, from 3,535°F to 4,446°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Gilmer is gradually decreasing during August, falling by 0.8 kWh, from 6.6 kWh to 5.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Gilmer are 32.729 deg latitude, -94.942 deg longitude, and 361 ft elevation.
The topography within 2 miles of Gilmer contains only modest variations in elevation, with a maximum elevation change of 331 feet and an average elevation above sea level of 364 feet. Within 10 miles also contains only modest variations in elevation (427 feet). Within 50 miles contains only modest variations in elevation (538 feet).
The area within 2 miles of Gilmer is covered by cropland (48%), artificial surfaces (25%), and trees (24%), within 10 miles by cropland (61%) and trees (34%), and within 50 miles by cropland (51%) and trees (35%).
This report illustrates the typical weather in Gilmer 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Gilmer.
For each station, the records are corrected for the elevation difference between that station and Gilmer 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 Gilmer is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Gilmer and a given station.
The stations contributing to this reconstruction are: Gilmer, Fox Stephens Field - Gilmer Municipal Airport (97%, 3.4 kilometers, south) and Mount Pleasant, Mount Pleasant Regional Airport (2.7%, 41 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .