August weather forecastWaller, WA
August
Weather in August
August, the last month of the summer in Waller, is another warm month, with an average temperature fluctuating between 76.5°F (24.7°C) and 51.6°F (10.9°C).Temperature
August, with an average high of 76.5°F (24.7°C) and a low of 51.6°F (10.9°C), signifies the warmest month of the year.Humidity
In Waller, the average relative humidity in August is 70%.Rainfall
In Waller, in August, during 6.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 183.4 rainfall days, and 32.48" (825mm) of precipitation is accumulated.Snowfall
In Waller, snow does not fall in April through October.Daylight
In Waller, the average length of the day in August is 14h and 10min.On the first day of August, sunrise is at 5:49 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:50 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.9h of sunshine.UV index
In Waller, 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 unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Waller, WA
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in August: 51.6°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in August
Waller, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Waller, WA
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in August
Waller, WA
- Average humidity in August: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
Waller, WA
- Average rainfall in August: 0.59"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Waller, WA
- Average rainfall days in August: 6.2 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in August
Waller, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Waller, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.7 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
Waller, WA
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 10h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Waller, WA
- Average sunshine days in August: 22.3 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in August
Waller, 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, October, November and December (UV index 2).
Average cloud cover in August
Waller, WA
- Average cloud cover in August: 25
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Waller, WA
- Average visibility in August: 6mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (5mi).





