August weather forecastChiwaukum, WA
August
Weather in August
The last month of the summer, August, is another warm month in Chiwaukum, Washington, with an average temperature varying between 49.6°F (9.8°C) and 77.5°F (25.3°C).Temperature
In Chiwaukum, the highest average temperatures are observed in August, with a high of 77.5°F (25.3°C) and a low of 49.6°F (9.8°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 56%.Rainfall
In August, the rain falls for 6.3 days. Throughout August, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 159.9 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
In Chiwaukum, snow does not fall in June through August.Daylight
In Chiwaukum, the average length of the day in August is 14h and 13min.On the first day of August, sunrise is at 5:41 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:44 pm PDT.
Sunshine
With an average of 11.9h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index in Chiwaukum is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 4 during August translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chiwaukum, WA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).
- Average low temperature in August: 49.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in August
Chiwaukum, WA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in August
Chiwaukum, WA
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in August
Chiwaukum, WA
- Average humidity in August: 56%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in August
Chiwaukum, WA
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Chiwaukum, WA
- Average rainfall days in August: 6.3 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in August
Chiwaukum, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Chiwaukum, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Chiwaukum, 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 30min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Chiwaukum, WA
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in August
Chiwaukum, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Chiwaukum, WA
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Chiwaukum, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
