August weather forecastWest Longview, WA
August
Weather in August
The last month of the summer, August, is another warm month in West Longview, Washington, with an average temperature ranging between min 49.8°F (9.9°C) and max 77.9°F (25.5°C).Temperature
The warmest period tends to be August, when average temperatures fluctuate between a high of 77.9°F (25.5°C) and a low of 49.8°F (9.9°C).Humidity
The average relative humidity in August in West Longview is 73%.Rainfall
August is the month with the least rainfall in West Longview. Rain falls for 6.3 days and accumulates 0.39" (10mm) of precipitation.Snowfall
April through October are months without snowfall in West Longview.Daylight
In West Longview, the average length of the day in August is 14h and 6min.On the first day of August, sunrise is at 5:55 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.4h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August in West Longview, Washington, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 4 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
West Longview, WA
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in August
West Longview, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in August
West Longview, WA
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in August
West Longview, WA
- Average humidity in August: 73%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in August
West Longview, WA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in August
West Longview, WA
- Average rainfall days in August: 6.3 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in August
West Longview, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
West Longview, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
West Longview, 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: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in August
West Longview, WA
- Average sunshine days in August: 21.3 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in August
West Longview, WA
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
West Longview, WA
- Average cloud cover in August: 36
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
West Longview, WA
- Average visibility in August: 5mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).





