Average Weather in August in Wenatchee Washington, United States
In Wenatchee, the month of August is characterized by falling daily high temperatures, with daily highs decreasing by 7°F, from 90°F to 83°F over the course of the month, and rarely exceeding 98°F or dropping below 73°F. The highest daily average high temperature is 90°F on August 2.
Daily low temperatures decrease by 5°F, from 64°F to 59°F, rarely falling below 52°F or exceeding 72°F.
For reference, on August 2, the hottest day of the year, temperatures in Wenatchee typically range from 64°F to 90°F, while on December 30, the coldest day of the year, they range from 25°F to 34°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 Wenatchee experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 20% to 29%. The lowest chance of overcast or mostly cloudy conditions is 19% on August 3.
The clearest day of the month is August 3, with clear, mostly clear, or partly cloudy conditions 81% of the time.
For reference, on January 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 81%.
Cloud Cover in August
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Wenatchee, the chance of a wet day over the course of August is essentially constant, remaining around 6% throughout.
For reference, the year's highest daily chance of a wet day is 37% on November 30, and its lowest chance is 5% on August 5.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Wenatchee is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 1.1 inches or falling below -0.0 inches.
The lowest average 31-day accumulation is 0.3 inches on August 3.
Average Monthly Rainfall in August
Over the course of August in Wenatchee, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 31 minutes, implying an average daily decrease of 3 minutes, 3 seconds, and weekly decrease of 21 minutes, 19 seconds.
The shortest day of the month is August 31, with 13 hours, 23 minutes of daylight and the longest day is August 1, with 14 hours, 55 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Wenatchee is 5:39 AM on August 1 and the latest sunrise is 39 minutes later at 6:19 AM on August 31.
The latest sunset is 8:34 PM on August 1 and the earliest sunset is 52 minutes earlier at 7:42 PM on August 31.
Daylight saving time is observed in Wenatchee during 2017, 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 5:04 AM and sets 15 hours, 58 minutes later, at 9:01 PM, while on December 21, the shortest day of the year, it rises at 7:46 AM and sets 8 hours, 27 minutes later, at 4:13 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Wenatchee is essentially constant during August, remaining around 0% throughout.
For reference, on August 6, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
The average hourly wind speed in Wenatchee is essentially constant during August, remaining within 0.1 miles per hour of 3.1 miles per hour throughout.
For reference, on June 21, the windiest day of the year, the daily average wind speed is 3.3 miles per hour, while on December 21, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.
Average Wind Speed in August
Wind Direction in August
The average daily incident shortwave solar energy in Wenatchee is decreasing during August, falling by 1.5 kWh, from 7.3 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 Wenatchee are 47.423 deg latitude, -120.310 deg longitude, and 902 ft elevation.
The topography within 2 miles of Wenatchee contains very significant variations in elevation, with a maximum elevation change of 892 feet and an average elevation above sea level of 792 feet. Within 10 miles contains very significant variations in elevation (5,154 feet). Within 50 miles also contains extreme variations in elevation (8,816 feet).
The area within 2 miles of Wenatchee is covered by artificial surfaces (72%) and shrubs (12%), within 10 miles by shrubs (52%) and cropland (13%), and within 50 miles by shrubs (48%) and trees (22%).
This report illustrates the typical weather in Wenatchee 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Wenatchee.
For each station, the records are corrected for the elevation difference between that station and Wenatchee 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 Wenatchee is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Wenatchee and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .