Climate and monthly weather forecast
Thompson Falls, MT

Weather in January

January, the same as December, in Thompson Falls, Montana, is another subzero cold winter month, with an average temperature varying between 30.7°F (-0.7°C) and 17.6°F (-8°C). In Thompson Falls, the average high-temperature in January is essentially the same as in December - a still freezing cold 30.7°F (-0.7°C). Weather in January »

Weather in February

February, the last month of the winter in Thompson Falls, is another freezing cold month, with an average temperature ranging between min 17.2°F (-8.2°C) and max 31.6°F (-0.2°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 31.6°F (-0.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Thompson Falls, Montana, with an average temperature ranging between min 22.6°F (-5.2°C) and max 38.8°F (3.8°C). In March, the average high-temperature marginally rises from a subzero cold 31.6°F (-0.2°C) in February to a wintry 38.8°F (3.8°C). Weather in March »

Weather in April

April in Thompson Falls, Montana, is a frosty spring month, with an average temperature fluctuating between 47.1°F (8.4°C) and 27.9°F (-2.3°C). In Thompson Falls, the average high-temperature in April marginally rises from a cold 38.8°F (3.8°C) in March to a chilly 47.1°F (8.4°C). Weather in April »

Weather in May

May, the last month of the spring in Thompson Falls, is a moderate month, with an average temperature varying between 60.1°F (15.6°C) and 34.3°F (1.3°C). In Thompson Falls, the average high-temperature in May rises from a chilly 47.1°F (8.4°C) in April to a moderate 60.1°F (15.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Thompson Falls, Montana, with an average temperature varying between 40.3°F (4.6°C) and 66.9°F (19.4°C). In June, the average high-temperature marginally rises from a moderate 60.1°F (15.6°C) in May to a comfortable 66.9°F (19.4°C). Weather in June »

Weather in July

July is a moderately hot summer month in Thompson Falls, Montana, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 78.8°F (26°C). July and August, with an average high-temperature of 78.8°F (26°C), are the warmest months. Weather in July »

Weather in August

August, the last month of the summer in Thompson Falls, is also a moderately hot month, with an average temperature varying between 78.8°F (26°C) and 45.7°F (7.6°C). The warmest months are July and August, with an average high-temperature of 78.8°F (26°C). Weather in August »

Weather in September

September, the first month of the autumn in Thompson Falls, is still a comfortable month, with an average temperature ranging between min 39.7°F (4.3°C) and max 67.3°F (19.6°C). In Thompson Falls, the average high-temperature in September decreases from a warm 78.8°F (26°C) in August to a comfortable 67.3°F (19.6°C). Weather in September »

Weather in October

October, like September, in Thompson Falls, Montana, is a cool autumn month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 51.4°F (10.8°C). In Thompson Falls, the average high-temperature in October declines considerably from an enjoyable 67.3°F (19.6°C) in September to a fresh 51.4°F (10.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Thompson Falls, is also a wintry month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 37.9°F (3.3°C). In Thompson Falls, the average high-temperature in November drops from a cool 51.4°F (10.8°C) in October to a cold 37.9°F (3.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Thompson Falls, Montana, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 28.9°F (-1.7°C). The coldest month is December, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in December »
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FAQ

What is the most humid month in Thompson Falls?

The most humid month in Thompson Falls is January, with an average relative humidity of 93%.

What is the rainiest month in Thompson Falls?

January is the month with the most rainfall. Rain falls for 13.3 days and accumulates 3.11" (79mm) of precipitation.

How many days does it rain in Thompson Falls?

Throughout the year, there are 152.1 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

When does it snow in Thompson Falls?

Months with snowfall in Thompson Falls, Montana, are January through May, September through December.

How much does it snow in Thompson Falls?

In Thompson Falls, during the entire year, snow falls for 90.2 days and aggregates up to 58.15" (1477mm) of snow.

What is the month with the least sunshine in Thompson Falls?

January has the least sunshine of the year in Thompson Falls, with an average of 3.5h of sunshine.

When is the lowest UV index in Thompson Falls?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

When does it snow the most in Thompson Falls?

February is the month with the most snowfall in Thompson Falls, Montana. Snow falls for 17.9 days and accumulates 15.12" (384mm) of snow.

When is Daylight Saving Time (DST) in Thompson Falls?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Thompson Falls, Montana, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow in Thompson Falls?

June through August are months without snowfall in Thompson Falls, Montana.

When are the longest days in Thompson Falls?

June has the longest days of the year, with an average of 15h and 55min of daylight.

What is the warmest month in Thompson Falls?

July and August, with an average high-temperature of 78.8°F (26°C), are warmest months.

What is the least humid month in Thompson Falls?

The months with the lowest humidity are July and August, with an average relative humidity of 53%.

What month has the most sunshine in Thompson Falls?

The month with the most sunshine in Thompson Falls, Montana, is July, with an average of 11.8h of sunshine.

When is the highest UV index in Thompson Falls?

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

What is the driest month in Thompson Falls?

August is the month with the least rainfall in Thompson Falls, Montana. Rain falls for 5.9 days and accumulates 0.39" (10mm) of precipitation.

What is the coldest month in Thompson Falls?

December is the coldest month in Thompson Falls, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 16.2°F (-8.8°C).

What is the month with the shortest days in Thompson Falls?

The month with the shortest days in Thompson Falls, Montana, is December, with an average of 8h and 31min of daylight.

Average temperature
Thompson Falls, MT

Average temperature - Thompson Falls, MT

The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).

The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure
Thompson Falls, MT

Average pressure - Thompson Falls, MT

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Thompson Falls, MT

Average wind speed - Thompson Falls, MT

The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).

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Average humidity
Thompson Falls, MT

Average humidity - Thompson Falls, MT

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).

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Average rainfall
Thompson Falls, MT

Average rainfall - Thompson Falls, MT

The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").

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Average rainfall days
Thompson Falls, MT

Average rainfall days - Thompson Falls, MT

The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).

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Average snowfall
Thompson Falls, MT

Average snowfall - Thompson Falls, MT

The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Thompson Falls, MT

Average snowfall days - Thompson Falls, MT

The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Thompson Falls, MT

Average daylight / Average sunshine - Thompson Falls, MT

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 31min).

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days
Thompson Falls, MT

Average sunshine days - Thompson Falls, MT

The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).

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Average UV index
Thompson Falls, MT

Average UV index - Thompson Falls, MT

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).

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Average visibility
Thompson Falls, MT

Average visibility - Thompson Falls, MT

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

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