August weather forecast
Colville, WA

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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.

Frequently asked questions

What is the warmest month?

August, on average, is the warmest month, registering a high temperature of 82.6°F (28.1°C) and a low of 50°F (10°C).

How hot does it get in August?

The high-temperature, in August, in Colville, records 82.6°F (28.1°C), while the low-temperature is 50°F (10°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 82.4°F (28°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 49%.

What is the average humidity in August?

In August, the average relative humidity is 49%.

What is the driest month?

August is the month with the least rainfall. Rain falls for 4.1 days and accumulates 0.28" (7mm) of precipitation.

How much does it rain in August?

In Colville, in August, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation.

When it does not snow?

May through August are months without snowfall in Colville.

Does it snow in Colville in August?

In Colville, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August?

In Colville, the average day length in August is 14h and 17min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:27 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:34 pm PDT.

What month has the most sunshine?

August has the most sunshine of the year in Colville, with an average of 12.1h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August in Colville is 12.1h.

What is the UV index reading in August?

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Colville, WA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in August - Colville, WA
  • Average daylight in August: 14h and 2min

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 1min

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 - 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 - 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 - 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 - 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).

Colville, Washington, USA

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