August weather forecastColville, WA
August
Weather in August
August, the last month of the summer in Colville, is also a moderately hot month, with an average temperature fluctuating between 50°F (10°C) and 82.6°F (28.1°C).Temperature
August, recognised by an average high temperature of 82.6°F (28.1°C) and a low of 50°F (10°C), is Colville's warmest month.Heat index
Throughout August, the heat index is appraised at 82.4°F (28°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
With an average relative humidity of 49%, August is the least humid month.Rainfall
The month with the least rainfall is August, when the rain falls for 4.1 days and typically collects 0.28" (7mm) of precipitation.Snowfall
May through August are months without snowfall.Daylight
The average length of the day in August is 14h and 17min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:08 am and sunset at 7:34 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 12.1h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 4 suggests these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Colville, WA
- Average high temperature in August: 82.6°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in August: 50°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in August
Colville, WA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Colville, WA
- Average wind speed in August: 3.4mph
The windiest month (with the highest average wind speed) is April (4mph).
The calmest months (with the lowest average wind speed) are January and December (3.1mph).
Average humidity in August
Colville, WA
- Average humidity in August: 49%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (49%).
Average rainfall in August
Colville, WA
- Average rainfall in August: 0.28"
The wettest months (with the highest rainfall) are November and December (1.54").
The driest month (with the least rainfall) is August (0.28").
Average rainfall days in August
Colville, WA
- Average rainfall days in August: 4.1 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in August
Colville, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in August
Colville, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Colville, WA
- Average daylight in August: 14h and 18min
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: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Colville, WA
- Average sunshine days in August: 24.8 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in August
Colville, 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 1).
Average cloud cover in August
Colville, WA
- Average cloud cover in August: 14
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in August
Colville, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





