August weather forecastClarkston, WA
August
Weather in August
August, the last month of the summer in Clarkston, is also a moderately hot month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 59.4°F (15.2°C).Temperature
Clarkston's warmest weather arrives in August, when temperatures average a high of 85.6°F (29.8°C) and a low of 59.4°F (15.2°C).Humidity
August is the least humid month, with an average relative humidity of 38%.Rainfall
August is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.24" (6mm) of precipitation.Snowfall
April through September are months without snowfall in Clarkston.Daylight
In August, the average length of the day is 14h and 7min.On the first day of August in Clarkston, sunrise is at 5:30 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:28 pm PDT.
Sunshine
The month with the most sunshine in Clarkston is August, with an average of 12.1h of sunshine.UV index
In August, the average daily maximum UV index in Clarkston, Washington, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Clarkston, WA
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in August
Clarkston, 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
Clarkston, WA
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in August
Clarkston, WA
- Average humidity in August: 38%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (38%).
Average rainfall in August
Clarkston, WA
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in August
Clarkston, WA
- Average rainfall days in August: 4.5 days
The months with the highest number of rainy days are March and April (13.8 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in August
Clarkston, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Clarkston, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Clarkston, WA
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in August
Clarkston, WA
- Average sunshine days in August: 22.7 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in August
Clarkston, 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, November and December (UV index 2).
Average cloud cover in August
Clarkston, WA
- Average cloud cover in August: 12
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in August
Clarkston, 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).
