Monthly weather forecast and climate
Polson, MT

Weather in January

January, the same as December, in Polson, Montana, is another subzero cold winter month, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 17.8°F (-7.9°C). In Polson, Montana, the average high-temperature is essentially the same as in December - a still subzero cold 29.7°F (-1.3°C). Weather in January »

Weather in February

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

Weather in March

The first month of the spring, March, is a wintry month in Polson, Montana, with average temperature varying between 38.8°F (3.8°C) and 24.3°F (-4.3°C). In Polson, the average high-temperature in March 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 in Polson, Montana, is a chilly spring month, with average temperature fluctuating between 48.7°F (9.3°C) and 30.2°F (-1°C). In April, the average high-temperature increases, from a cold 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 mild month, with average temperature varying between 36.9°F (2.7°C) and 60.4°F (15.8°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 average temperature varying between 43.3°F (6.3°C) and 68°F (20°C). In Polson, the average high-temperature in June slightly increases, from a mild 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 average temperature ranging between min 48.9°F (9.4°C) and max 79.3°F (26.3°C). July is the warmest month, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 48.9°F (9.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Polson, is also a moderately hot month, with average temperature fluctuating between 78.6°F (25.9°C) and 48.9°F (9.4°C). In August, the average high-temperature is essentially 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 still a comfortable month in Polson, Montana, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 67.6°F (19.8°C). In Polson, the average high-temperature in September decreases, from a moderately hot 78.6°F (25.9°C) in August, to an enjoyable 67.6°F (19.8°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Polson, Montana, with average temperature ranging between max 51.1°F (10.6°C) and min 33.1°F (0.6°C). In Polson, Montana, the average high-temperature plummets, from a comfortable 67.6°F (19.8°C) in September, to a cool 51.1°F (10.6°C). Weather in October »

Weather in November

November, the last month of the autumn, in Polson, is also a wintry month, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 24.6°F (-4.1°C). In November, the average high-temperature decreases, 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 average temperature fluctuating between 27.9°F (-2.3°C) and 16.7°F (-8.5°C). 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. Weather in December »
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FAQ

What is the most humid month in Polson?

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

How many days does it rain in Polson?

In Polson, during the entire year, the rain falls for 160.2 days and collects up to 18.11" (460mm) of precipitation.

When does it snow in Polson?

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

How much does it snow in Polson?

In Polson, during the entire year, snow falls for 99 days, and aggregates up to 47.28" (1201mm) of snow.

What is the month with the least sunshine in Polson?

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

What is the month with 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 in Polson.

When does it snow the most in Polson?

The month with the most snowfall in Polson, Montana, is February when snow falls for 19.2 days and typically aggregates up to 10.28" (261mm) of snow.

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?

June through August are months without snowfall in Polson.

When are the longest days in Polson?

June has the longest days of the year in Polson, with an average of 15.9h of daylight.

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

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

What is the warmest month in Polson?

The warmest month 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?

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?

With an average of 11.9h of sunshine, July has the most sunshine of the year.

What is the least humid month in Polson?

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

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 8.5h of daylight, December has the shortest days of the year in Polson, Montana.

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).

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").
The month with the lowest atmospheric pressure is June (29.92").

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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

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").
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).
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: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 4.5h).

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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

Months with the highest UV index are June and July (UV index 5).
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

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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