Climate and monthly weather forecast
Tonasket, WA

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Weather in January

January, the same as December, in Tonasket, Washington, is a freezing cold winter month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 18.7°F (-7.4°C). Upon the beginning of January, Tonasket's high-temperatures register at a still subzero cold 30.9°F (-0.6°C), closely mirroring the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Tonasket, is an icy month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 19.4°F (-7°C). Tonasket's weather, upon February's arrival, documents an average high-temperature of a cold 33.8°F (1°C), nearly identical to the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Tonasket, Washington, with an average temperature varying between 43°F (6.1°C) and 27.3°F (-2.6°C). With the onset of March, the average high-temperature slightly shifts from February's cold 33.8°F (1°C) to a frosty 43°F (6.1°C). Weather in March »

Weather in April

April is a fresh spring month in Tonasket, Washington, with an average temperature varying between 33.8°F (1°C) and 54.3°F (12.4°C). As April arrives, Tonasket's weather shows an increase in high-temperatures, moving from March's frosty 43°F (6.1°C) to a cool 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Tonasket, Washington, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 42.4°F (5.8°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a cool 54.3°F (12.4°C) to an enjoyable 66°F (18.9°C). Weather in May »

Weather in June

June, the first month of the summer in Tonasket, is a pleasant month, with an average temperature ranging between max 72.5°F (22.5°C) and min 47.5°F (8.6°C). The shift into June is marked by a modest rise in the average high-temperature, moving from May's refreshing 66°F (18.9°C) to an agreeable 72.5°F (22.5°C). Weather in June »

Weather in July

July is a warm summer month in Tonasket, Washington, with an average temperature fluctuating between 82.6°F (28.1°C) and 54.3°F (12.4°C). July stands out as Tonasket's warmest month, with an average high-temperature of 82.6°F (28.1°C) and a low-temperature of 54.3°F (12.4°C). July's average heat index is estimated at 82.4°F (28°C). Weather in July »

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). 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). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Tonasket, Washington, with an average temperature ranging between min 47.3°F (8.5°C) and max 70.9°F (21.6°C). A change in temperatures is noted as August gives way to September, with average highs reducing from a warm 82.4°F (28°C) to a pleasant 70.9°F (21.6°C). Weather in September »

Weather in October

October, like September, in Tonasket, Washington, is a cool autumn month, with an average temperature ranging between max 54.9°F (12.7°C) and min 37.2°F (2.9°C). The average high-temperature exhibits a considerable decrease in October, dropping from an agreeable 70.9°F (21.6°C) in September to a cool 54.9°F (12.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Tonasket, is also an icy month, with an average temperature ranging between min 27.5°F (-2.5°C) and max 40.1°F (4.5°C). November's arrival is marked by a significant decrease in the average high-temperature, moving from a fresh 54.9°F (12.7°C) in October to a wintry 40.1°F (4.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Tonasket, Washington, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 18.1°F (-7.7°C). Tonasket's coldest month, December, generally records average temperatures ranging from a high of 30.4°F (-0.9°C) to a low of 18.1°F (-7.7°C). Weather in December »
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Frequently asked questions

What is the most humid month in Tonasket?

January is the most humid month in Tonasket, with an average relative humidity of 91%.

How many days does it rain in Tonasket?

In Tonasket, Washington, during the entire year, the rain falls for 90.2 days and collects up to 7.56" (192mm) of precipitation.

When does it snow in Tonasket?

Months with snowfall in Tonasket, Washington, are January through April, November and December.

When does it snow the most in Tonasket?

The month with the most snowfall is January, when snow falls for 6.2 days and typically aggregates up to 3.39" (86mm) of snow.

How much does it snow in Tonasket?

In Tonasket, during the entire year, snow falls for 25.5 days and aggregates up to 10.12" (257mm) of snow.

What is the month with the least sunshine in Tonasket?

The month with the least sunshine is January, with an average of 4.5h of sunshine.

When is Daylight Saving Time (DST) in Tonasket?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Tonasket?

May through October are months without snowfall in Tonasket, Washington.

When are the longest days in Tonasket?

With an average of 16h and 6min of daylight, June has the longest days of the year in Tonasket.

What time of the year is the hottest in Tonasket?

With its average high temperature of 82.6°F (28.1°C) and a low of 54.3°F (12.4°C), July is regarded as the warmest month.

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 driest month in Tonasket?

The months with the least rainfall in Tonasket are July and August Rain falls for 3.8 days and accumulates 0.2" (5mm) of rain.

What are the months with the most sunshine in Tonasket?

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

When is the highest UV index in Tonasket?

July is the month with the highest UV index in Tonasket, with an average maximum UV index of 6.

What is the month with the lowest UV index in Tonasket?

The month with the lowest UV index in Tonasket, Washington, is November, with an average maximum UV index of 1.

What time of the year is the coldest in Tonasket?

Tonasket's coldest month, December, registers temperatures that range from a high of 30.4°F (-0.9°C) to a low of 18.1°F (-7.7°C).

What is the rainiest month in Tonasket?

December is the month with the most rainfall in Tonasket. Rain falls for 6.9 days and accumulates 0.94" (24mm) of precipitation.

What is the month with the shortest days in Tonasket?

The month with the shortest days in Tonasket, Washington, is December, with an average of 8h and 24min of daylight.

Average temperature
Tonasket, WA

Average temperature - Tonasket, WA

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).

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
Tonasket, WA

Average pressure - Tonasket, WA

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
Tonasket, WA

Average wind speed - Tonasket, WA

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
Tonasket, WA

Average humidity - Tonasket, WA

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
Tonasket, WA

Average rainfall - Tonasket, WA

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
Tonasket, WA

Average rainfall days - Tonasket, WA

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
Tonasket, WA

Average snowfall - Tonasket, WA

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
Tonasket, WA

Average snowfall days - Tonasket, WA

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 / Average sunshine
Tonasket, WA

Average daylight / Average sunshine - Tonasket, WA

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).

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
Tonasket, WA

Average sunshine days - Tonasket, WA

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 visibility
Tonasket, WA

Average visibility - Tonasket, WA

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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