Climate and monthly weather forecast
Polson, MT

Weather in January

January, the same as December, in Polson, Montana, is another subzero cold winter month, with an average temperature varying between 17.8°F (-7.9°C) and 29.7°F (-1.3°C). In Polson, the average high-temperature in January is practically 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 also a subzero cold month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 17.4°F (-8.1°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 30.6°F (-0.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Polson, Montana, with an average temperature ranging between max 38.8°F (3.8°C) and min 24.3°F (-4.3°C). In March, the average high-temperature slightly increases from a subzero 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 temperature in the range of an average low of 30.2°F (-1°C) and an average high of 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 chilly 48.7°F (9.3°C). Weather in April »

Weather in May

May, the last month of the spring in Polson, is a mild month, with an average temperature varying between 60.4°F (15.8°C) and 36.9°F (2.7°C). In May, the average high-temperature rises from a chilly 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 temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 68°F (20°C). In Polson, the average high-temperature in June slightly increases 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 warm summer month, with an average temperature ranging between min 48.9°F (9.4°C) and max 79.3°F (26.3°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

The last month of the summer, August, is also a moderately hot month in Polson, Montana, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 78.6°F (25.9°C). In Polson, Montana, the average high-temperature in August is practically the same as in July - a still moderately hot 78.6°F (25.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Polson, Montana, with an average temperature ranging between max 67.6°F (19.8°C) and min 42.3°F (5.7°C). In Polson, the average high-temperature in September decreases from a moderately hot 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 ranging between max 51.1°F (10.6°C) and min 33.1°F (0.6°C). In Polson, the average high-temperature in October declines considerably from an enjoyable 67.6°F (19.8°C) in September to a fresh 51.1°F (10.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Polson, Montana, 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, Montana, the average high-temperature in November decreases from a cool 51.1°F (10.6°C) in October to a wintry 37.2°F (2.9°C). Weather in November »

Weather in December

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

What is the most humid month in Polson?

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

How many days 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?

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

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

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

What is the snowiest month in Polson?

February is the month with the most snowfall. 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 in Polson, 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, Montana, 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.

When is the highest UV index in Polson?

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

What is the warmest month in Polson?

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 in Polson.

What is the driest month in Polson?

July and August are months with the least rain in Polson when the rain falls for 7.5 days and typically aggregates up to 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?

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

What is the coldest month in Polson?

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

What is the month with the shortest days in Polson?

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

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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