August weather forecast
Tonasket, WA

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Weather in August

The last month of the summer, August, is another warm month in Tonasket, Washington, with an average temperature fluctuating between 55°F (12.8°C) and 82.4°F (28°C).

Temperature

The advent of August observes an average high-temperature of a still moderately hot 82.4°F (28°C), nearly identical to July's 82.6°F (28.1°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at a cool 55°F (12.8°C) in August.

Heat index

August's mean heat index is estimated at 82.4°F (28°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', comes about by integrating the temperature readings with the humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

July and August, with an average relative humidity of 42%, are the least humid months.

Rainfall

July and August are months with the least rain when the rain falls for 2.8 days and typically aggregates up to 0.2" (5mm) of rain.

Snowfall

In Tonasket, snow does not fall in May through October.

Daylight

In Tonasket, the average length of the day in August is 14h and 17min.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:35 pm. On the last day of August, sunrise is at 6:14 am and sunset at 7:41 pm PDT.

Sunshine

The months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is August in Tonasket?

During August, Tonasket experiences an average high-temperature of 82.4°F (28°C) and a low-temperature of 55°F (12.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 82.4°F (28°C).

What is the least humid month in Tonasket?

July and August, with an average relative humidity of 42%, are the least humid months in Tonasket, Washington.

What is the average humidity in August in Tonasket?

In Tonasket, the average relative humidity in August is 42%.

What is the driest month in Tonasket?

July and August are months with the least rain in Tonasket, Washington, when the rain falls for 2.8 days and typically aggregates up to 0.2" (5mm) of rain.

How many days does it rain in August in Tonasket?

In Tonasket, during August, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation.

When it does not snow in Tonasket?

May through October are months without snowfall in Tonasket.

How many hours of daylight does Tonasket have in August?

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

When is the sunrise / sunset in August in Tonasket?

In August, on the first day of the month, sunrise is at 5:32 am and sunset at 8:35 pm. On the last day of the month, in Tonasket, sunrise is at 6:14 am and sunset at 7:41 pm PDT.

What is the month with the most sunshine in Tonasket?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Tonasket.

How many hours of sunshine does Tonasket have in August?

In Tonasket, Washington, the average sunshine duration in August is 12h.

How high is the UV index in August in Tonasket?

In Tonasket, Washington, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Tonasket, WA

Average temperature in August - Tonasket, WA
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).

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Average pressure in August
Tonasket, WA

Average pressure in August - Tonasket, WA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in August
Tonasket, WA

Average wind speed in August - Tonasket, WA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is January (4mph).

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Average humidity in August
Tonasket, WA

Average humidity in August - Tonasket, WA
  • Average humidity in August: 42%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (42%).

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Average rainfall in August
Tonasket, WA

Average rainfall in August - Tonasket, WA
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in August
Tonasket, WA

Average rainfall days in August - Tonasket, WA
  • Average rainfall days in August: 2.8 days

The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in August
Tonasket, WA

Average snowfall in August - Tonasket, WA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Tonasket, WA

Average snowfall days in August - Tonasket, WA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Tonasket, WA

Average daylight in August / Average sunshine in August - Tonasket, 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 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Tonasket, WA

Average sunshine days in August - Tonasket, WA
  • Average sunshine days in August: 26.3 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (15.4 days).

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Average UV index in August
Tonasket, WA

Average UV index in August - Tonasket, WA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in August
Tonasket, WA

Average cloud cover in August - Tonasket, WA
  • Average cloud cover in August: 12

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in August
Tonasket, WA

Average visibility in August - Tonasket, 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 and December (4mi).

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Tonasket, Washington, USA

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