Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
July and August are characterised by peak temperatures, with an average high of 68.4°F (20.2°C).Humidity
In August, the average relative humidity is 75%.Rainfall
The months with the least rainfall are July and August Rain falls for 2.3 days and accumulates 0.12" (3mm) of rain.Snowfall
In Prevost, snow does not fall in April through October.Daylight
In August, the average length of the day is 14h and 17min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:50 pm. On the last day of August, sunrise is at 6:29 am and sunset at 7:56 pm PDT.
Sunshine
In Prevost, Washington, the average sunshine in August is 11.2h.UV index
In Prevost, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during August, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What are the temperatures in August?
What is the average humidity in August?
What is the driest month?
How many days does it rain in August in Prevost?
When it does not snow?
How many hours of daylight does Prevost have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Prevost have in August?
How high is the UV index in August?
Average temperature in August
Prevost, WA
- Average high temperature in August: 68.4°F
The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).
Average pressure in August
Prevost, WA
- Average pressure in August: 30.02"Hg
The months with the highest atmospheric pressure are January and July (30.06"Hg).
The month with the lowest atmospheric pressure is March (29.99"Hg).
Average wind speed in August
Prevost, WA
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is November (7.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in August
Prevost, WA
- Average humidity in August: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (73%).
Average rainfall in August
Prevost, WA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is January (1.46").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in August
Prevost, WA
- Average rainfall days in August: 2.3 days
The month with the highest number of rainy days is December (8.6 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in August
Prevost, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Prevost, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Prevost, WA
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 11h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in August
Prevost, WA
- Average sunshine days in August: 28.2 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (17.4 days).
Average UV index in August
Prevost, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Prevost, WA
- Average cloud cover in August: 20
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in August
Prevost, WA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Prevost, Washington, USA
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