Climate and monthly weather forecast
Polson, MT

Weather in January

January, the same as December, in Polson, Montana, is a freezing cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 17.8°F (-7.9°C). In Polson, the average high-temperature in January is essentially the same as in December - a still freezing cold 29.7°F (-1.3°C). Weather in January »

Weather in February

February, the last month of the winter in Polson, is another freezing cold month, with an average temperature fluctuating between 17.4°F (-8.1°C) and 30.6°F (-0.8°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 30.6°F (-0.8°C). Weather in February »

Weather in March

March, the first month of the spring in Polson, is a cold month, with an average temperature ranging between min 24.3°F (-4.3°C) and max 38.8°F (3.8°C). In Polson, the average high-temperature in March marginally rises from a freezing cold 30.6°F (-0.8°C) in February to a wintry 38.8°F (3.8°C). Weather in March »

Weather in April

April is a chilly spring month in Polson, Montana, with an average temperature ranging between min 30.2°F (-1°C) and max 48.7°F (9.3°C). In April, the average high-temperature rises from a wintry 38.8°F (3.8°C) in March to a frosty 48.7°F (9.3°C). Weather in April »

Weather in May

May, the last month of the spring in Polson, is a moderate month, with an average temperature varying between 36.9°F (2.7°C) and 60.4°F (15.8°C). In Polson, Montana, the average high-temperature in May increases from a frosty 48.7°F (9.3°C) in April to a mild 60.4°F (15.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Polson, Montana, with an average temperature fluctuating between 43.3°F (6.3°C) and 68°F (20°C). In June, the average high-temperature marginally rises from a moderate 60.4°F (15.8°C) in May to an agreeable 68°F (20°C). Weather in June »

Weather in July

July in Polson, Montana, is a moderately hot summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 48.9°F (9.4°C). With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 48.9°F (9.4°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Polson, is also a moderately hot month, with an average temperature ranging between min 48.9°F (9.4°C) and max 78.6°F (25.9°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 78.6°F (25.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Polson, is still a comfortable month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 42.3°F (5.7°C). In September, the average high-temperature drops from a warm 78.6°F (25.9°C) in August to a comfortable 67.6°F (19.8°C). Weather in September »

Weather in October

October, like September, in Polson, Montana, is another fresh autumn month, with an average temperature varying between 51.1°F (10.6°C) and 33.1°F (0.6°C). In Polson, the average high-temperature in October plummets from a comfortable 67.6°F (19.8°C) in September to a fresh 51.1°F (10.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Polson, is another cold month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 37.2°F (2.9°C). In Polson, the average high-temperature in November drops from a cool 51.1°F (10.6°C) in October to a cold 37.2°F (2.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Polson, Montana, with temperature in the range of an average high of 27.9°F (-2.3°C) and an average low of 16.7°F (-8.5°C). The coldest month is December, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.7°F (-8.5°C). Weather in December »
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FAQ

What is the most humid month in Polson?

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

How much does it rain in Polson?

Throughout the year, in Polson, Montana, there are 160.2 rainfall days, and 18.11" (460mm) of precipitation is accumulated.

When does it snow in Polson?

January through May, September through December are months with snowfall in Polson.

How much does it snow in Polson?

Throughout the year, in Polson, there are 99 snowfall days, and 47.28" (1201mm) of snow is accumulated.

What is the month with the least sunshine in Polson?

With an average of 4.5h of sunshine, January has the least sunshine of the year in Polson, Montana.

When is the lowest UV index in Polson?

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

What is the snowiest month in Polson?

February is the month with the most snowfall in Polson. Snow falls for 19.2 days and accumulates 10.28" (261mm) of snow.

When is Daylight Saving Time (DST) in Polson?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, 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.

What is the rainiest month in Polson?

The month with the most rainfall is June, when the rain falls for 15.6 days and typically aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Polson?

In Polson, snow does not fall in June through August.

When are the longest days in Polson?

With an average of 15h and 56min of daylight, June has the longest days of the year.

What are the months with the highest UV index in Polson?

The months with the highest UV index in Polson, Montana, are June and July, with an average maximum UV index of 5.

What is the warmest month in Polson?

The warmest month in Polson is July, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 48.9°F (9.4°C).

What is the driest month in Polson?

The months with the least rainfall are July and August Rain falls for 7.5 days and accumulates 0.55" (14mm) of rain.

What month has the most sunshine in Polson?

July has the most sunshine of the year in Polson, Montana, with an average of 11.9h of sunshine.

What is the least humid month in Polson?

With an average relative humidity of 51%, August is the least humid month in Polson, Montana.

What is the coldest month in Polson?

December is the coldest month, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.7°F (-8.5°C).

What is the month with the shortest days in Polson?

December has the shortest days of the year, with an average of 8h and 29min of daylight.

Average temperature
Polson, MT

Average temperature - Polson, MT

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).

The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

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Average pressure
Polson, MT

Average pressure - Polson, MT

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Polson, MT

Average wind speed - Polson, MT

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average rainfall
Polson, MT

Average rainfall - Polson, MT

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").

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Average rainfall days
Polson, MT

Average rainfall days - Polson, MT

The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).

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Average snowfall
Polson, MT

Average snowfall - Polson, MT

The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Polson, MT

Average snowfall days - Polson, MT

The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Polson, MT

Average daylight / Average sunshine - Polson, MT

The month with the longest days is June (Average daylight: 15h and 56min).
The month with the shortest days is December (Average daylight: 8h and 29min).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days
Polson, MT

Average sunshine days - Polson, MT

The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).

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Average UV index
Polson, MT

Average UV index - Polson, MT

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average visibility
Polson, MT

Average visibility - Polson, MT

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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