August weather forecastPomeroy, WA
August
Weather in August
August, the last month of the summer in Pomeroy, is another warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C).Temperature
August proves to be the warmest month, recording an average peak temperature of 83.8°F (28.8°C) and a minimum temperature of 61.7°F (16.5°C).Humidity
August is the least humid month, with an average relative humidity of 37%.Rainfall
In Pomeroy, during August, the rain falls for 5.1 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, there are 122.8 rainfall days, and 13.43" (341mm) of precipitation is accumulated.Snowfall
In Pomeroy, snow does not fall in June through August.Daylight
In Pomeroy, the average length of the day in August is 14h and 7min.On the first day of August, sunrise is at 5:32 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:30 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 12h 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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in August suggests the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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
Pomeroy, WA
- Average high temperature in August: 83.8°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in August
Pomeroy, 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
Pomeroy, WA
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in August
Pomeroy, WA
- Average humidity in August: 37%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (37%).
Average rainfall in August
Pomeroy, WA
- Average rainfall in August: 0.35"
The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Pomeroy, WA
- Average rainfall days in August: 5.1 days
The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in August
Pomeroy, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Pomeroy, WA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Pomeroy, 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 42min).
- Average sunshine in August: 12h
The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in August
Pomeroy, WA
- Average sunshine days in August: 23.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in August
Pomeroy, 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
Pomeroy, WA
- Average cloud cover in August: 11
The months with the most cloud cover are January and February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in August
Pomeroy, 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).





