August weather forecastSouth Colby, WA
August
Weather in August
The last month of the summer, August, is another warm month in South Colby, Washington, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 53.6°F (12°C).Temperature
South Colby experiences its highest temperatures in August, with an average peak of 77.2°F (25.1°C) and a low of 53.6°F (12°C).Humidity
In South Colby, the average relative humidity in August is 70%.Rainfall
In South Colby, during August, the rain falls for 5.4 days and regularly aggregates up to 0.35" (9mm) of precipitation. In South Colby, Washington, during the entire year, the rain falls for 138.9 days and collects up to 12.24" (311mm) of precipitation.Snowfall
In South Colby, snow does not fall in April through October.Daylight
In August, the average length of the day is 14h and 12min.On the first day of August, sunrise is at 5:49 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:51 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
In South Colby, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
South Colby, WA
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in August: 53.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in August
South Colby, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in August
South Colby, WA
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in August
South Colby, WA
- Average humidity in August: 70%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in August
South Colby, WA
- Average rainfall in August: 0.35"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
South Colby, WA
- Average rainfall days in August: 5.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in August
South Colby, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
South Colby, 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
South Colby, 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: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in August
South Colby, WA
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in August
South Colby, 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, February, November and December (UV index 2).
Average cloud cover in August
South Colby, WA
- Average cloud cover in August: 25
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
South Colby, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).





