Monthly weather forecast and climate
Polaris, MT

January, the same as December, in Polaris, Montana, is another subzero cold winter month, with average temperature fluctuating between 27.9°F (-2.3°C) and 12.2°F (-11°C). In January, the average high-temperature is practically the same as in December - a still freezing cold 27.9°F (-2.3°C). Weather in January »

February, the last month of the winter, in Polaris, is another freezing cold month, with temperature in the range of an average low of 11.8°F (-11.2°C) and an average high of 27.5°F (-2.5°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 27.5°F (-2.5°C). Weather in February »

March, the first month of the spring, in Polaris, is a wintry month, with average temperature fluctuating between 35.6°F (2°C) and 20.1°F (-6.6°C). In March, the average high-temperature marginally rises, from a subzero cold 27.5°F (-2.5°C) in February, to a cold 35.6°F (2°C). Weather in March »

April is a chilly spring month in Polaris, Montana, with average temperature fluctuating between 44.6°F (7°C) and 27.7°F (-2.4°C). In Polaris, the average high-temperature in April rises, from a cold 35.6°F (2°C) in March, to a frosty 44.6°F (7°C). Weather in April »

The last month of the spring, May, is a mild month in Polaris, Montana, with average temperature varying between 35.2°F (1.8°C) and 56.3°F (13.5°C). In Polaris, the average high-temperature rises, from a chilly 44.6°F (7°C) in April, to a mild 56.3°F (13.5°C). Weather in May »

The first month of the summer, June, is a comfortable month in Polaris, Montana, with average temperature fluctuating between 66.7°F (19.3°C) and 41.7°F (5.4°C). In June, the average high-temperature rises, from a moderate 56.3°F (13.5°C) in May, to an enjoyable 66.7°F (19.3°C). Weather in June »

July is a moderately hot summer month in Polaris, Montana, with average temperature ranging between max 77.5°F (25.3°C) and min 47.5°F (8.6°C). With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 47.5°F (8.6°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Polaris, is also a moderately hot month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 47.3°F (8.5°C). In Polaris, the average high-temperature is relatively the same as in July - a still moderately hot 75.7°F (24.3°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Polaris, Montana, with average temperature varying between 41.7°F (5.4°C) and 66°F (18.9°C). In September, the average high-temperature decreases, from a warm 75.7°F (24.3°C) in August, to a comfortable 66°F (18.9°C). Weather in September »

October, like September, is a frosty autumn month in Polaris, Montana, with average temperature varying between 49.3°F (9.6°C) and 31.1°F (-0.5°C). In Polaris, the average high-temperature in October declines considerably, from a comfortable 66°F (18.9°C) in September, to a chilly 49.3°F (9.6°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Polaris, Montana, with average temperature fluctuating between 35.4°F (1.9°C) and 20.1°F (-6.6°C). In Polaris, Montana, the average high-temperature in November decreases, from a frosty 49.3°F (9.6°C) in October, to a wintry 35.4°F (1.9°C). Weather in November »

The first month of the winter, December, is still a freezing cold month in Polaris, Montana, with average temperature ranging between min 10.6°F (-11.9°C) and max 25.2°F (-3.8°C). With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 10.6°F (-11.9°C), December is the coldest month. Weather in December »

How many days does it rain in Polaris?

Throughout the year, there are 126.7 rainfall days, and 10.35" (263mm) of precipitation is accumulated.

What is the driest month in Polaris?

The month with the least rainfall is January when the rain falls for 8 days and typically collects 0.51" (13mm) of precipitation.

When does it snow in Polaris?

January through June, September through December are months with snowfall.

How many days does it snow in Polaris?

In Polaris, during the entire year, snow falls for 81.2 days, and aggregates up to 29.76" (756mm) of snow.

What is the most humid month in Polaris?

With an average relative humidity of 86%, February is the most humid month.

When does it snow the most in Polaris?

The month with the most snowfall is February when snow falls for 14.1 days and typically aggregates up to 5.51" (140mm) of snow.

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

February is the month with the lowest UV index in Polaris, Montana, with an average maximum UV index of 1.

What is the rainiest month in Polaris?

June is the month with the most rainfall in Polaris, Montana. Rain falls for 14 days and accumulates 1.5" (38mm) of precipitation.

When are the longest days in Polaris?

June has the longest days of the year, with an average of 15.6h of daylight.

What is the warmest month in Polaris?

July is the warmest month in Polaris, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 47.5°F (8.6°C).

What are the least humid months in Polaris?

Months with the lowest humidity in Polaris, Montana, are July and August, with an average relative humidity of 45%.

When it does not snow in Polaris?

July and August are months without snowfall.

What month has the most sunshine in Polaris?

July has the most sunshine of the year, with an average of 12h of sunshine.

What is the month with the highest UV index in Polaris?

The month with the highest UV index in Polaris is July, with an average maximum UV index of 5.

What is the coldest month in Polaris?

December is the coldest month, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 10.6°F (-11.9°C).

What is the month with the shortest days in Polaris?

The month with the shortest days in Polaris is December, with an average of 8.8h of daylight.

What is the month with the least sunshine in Polaris?

With an average of 6.1h of sunshine, December has the least sunshine of the year.
Average temperature - Polaris, MT
Average pressure - Polaris, MT

The month with the highest atmospheric pressure is January (30.24").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed - Polaris, MT

The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity - Polaris, MT
Average rainfall - Polaris, MT
Average rainfall days - Polaris, MT
Average snowfall - Polaris, MT
Average snowfall days - Polaris, MT

The month with the highest number of snowfall days is February (14.1 days).
Months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine - Polaris, MT

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.1h).

Average sunshine days - Polaris, MT

The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).

Average visibility - Polaris, MT

Months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February and December (5mi).