August weather forecastPullman, WA
August
Weather in August
The dog days of summer extend into August, furnishing Pullman with slightly cooler temperatures as compared to July. The city languishes in long daylight hours, dressed mostly in sunlight. It is an opportune time for outdoor activities primarily during hours of lower UV exposure. Despite the season, rainfall remains at a comparable level with that of July. August matches the high temperature experienced in July, topping at 83.7°F (28.7°C).Temperature
Pullman's temperatures tend to reach their peak averages in August, with a high of 83.7°F (28.7°C) and a low of 58.6°F (14.8°C).Humidity
With an average relative humidity of 39%, August is the least humid month.Rainfall
The months with the least rainfall in Pullman, Washington, are July and August Rain falls for 5.8 days and accumulates 0.47" (12mm) of rain.Snowfall
June through August are months without snowfall in Pullman.Daylight
The average length of the day in August in Pullman is 14h and 8min.On the first day of August, sunrise is at 5:30 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:29 pm PDT.
Sunshine
The month with the most sunshine in Pullman, Washington, is August, with an average of 12.1h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Pullman, WA
- Average high temperature in August: 83.7°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in August
Pullman, WA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in August
Pullman, WA
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are March and April (6.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Pullman, WA
- Average humidity in August: 39%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (39%).
Average rainfall in August
Pullman, WA
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is January (2.2").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in August
Pullman, WA
- Average rainfall days in August: 5.8 days
The month with the highest number of rainy days is March (15.4 days).
The months with the least rainy days are July and August (5.8 days).
Average snowfall in August
Pullman, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.04").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Pullman, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Pullman, WA
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 42min).
Average sunshine days in August
Pullman, WA
- Average sunshine days in August: 21.4 days
The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in August
Pullman, WA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Pullman, WA
- Average cloud cover in August: 12
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Pullman, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
