Climate and monthly weather forecast
Polaris, MT

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Weather in January

January, like December, is a freezing cold winter month in Polaris, Montana, with an average temperature varying between 27.9°F (-2.3°C) and 12.2°F (-11°C). January begins with an average high-temperature of a still subzero cold 27.9°F (-2.3°C), reflecting close similarity to the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Polaris, Montana, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 11.8°F (-11.2°C). The average high-temperature is a still freezing cold 27.5°F (-2.5°C) in February, hardly different from the 27.9°F (-2.3°C) recorded in January. Weather in February »

Weather in March

March, the first month of the spring in Polaris, is a wintry month, with an average temperature fluctuating between 35.6°F (2°C) and 20.1°F (-6.6°C). March comes with a subtle rise, with the average high-temperature adjusting from a freezing cold 27.5°F (-2.5°C) in February to a wintry 35.6°F (2°C). Weather in March »

Weather in April

April in Polaris, Montana, is a frosty spring month, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 44.6°F (7°C). The start of April is characterized by an increase in the average high-temperature, transitioning from an icy 35.6°F (2°C) in March to a frosty 44.6°F (7°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Polaris, Montana, with an average temperature fluctuating between 56.3°F (13.5°C) and 35.2°F (1.8°C). May's onset brings a temperature rise, moving from a frosty 44.6°F (7°C) in April to a mild 56.3°F (13.5°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Polaris, Montana, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 66.7°F (19.3°C). Polaris's transition into June is marked by a temperature shift, moving from a moderate 56.3°F (13.5°C) in May to a still refreshing 66.7°F (19.3°C). Weather in June »

Weather in July

July in Polaris, Montana, is a warm summer month, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 77.5°F (25.3°C). July, having an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 47.5°F (8.6°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Polaris, Montana, with an average temperature fluctuating between 47.3°F (8.5°C) and 75.7°F (24.3°C). Entering August, the average high-temperature is recorded at a still warm 75.7°F (24.3°C), exhibiting a minimal shift from July's 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Polaris, is still a comfortable month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 66°F (18.9°C). The beginning of September involves a decrease in the average high-temperature, transitioning from a moderately hot 75.7°F (24.3°C) in August to a refreshing 66°F (18.9°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Polaris, Montana, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 49.3°F (9.6°C). A shift in Polaris's weather is noticeable as September turns into October, with the average high temperature decreasing from an enjoyable 66°F (18.9°C) to a frosty 49.3°F (9.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Polaris, is another cold month, with an average temperature ranging between max 35.4°F (1.9°C) and min 20.1°F (-6.6°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's frosty 49.3°F (9.6°C) to a cold 35.4°F (1.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Polaris, Montana, with temperature in the range of an average low of 10.6°F (-11.9°C) and an average high of 25.2°F (-3.8°C). In Polaris, the month of December registers the lowest temperatures, averaging 25.2°F (-3.8°C) at the peak and 10.6°F (-11.9°C) at the lowest. Weather in December »
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the driest month?

January is the month with the least rainfall. Rain falls for 8 days and accumulates 0.51" (13mm) of precipitation.

How many days does it rain?

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

When does it snow?

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

How much does it snow in Polaris?

Throughout the year, there are 81.2 snowfall days, and 29.76" (756mm) of snow is accumulated.

What is the most humid month?

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

What is the snowiest month?

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?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month?

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

When are the longest days?

The month with the longest days is June, with an average of 15h and 36min of daylight.

What are the warmest months?

July is the month when Polaris's temperatures reach their peak, with averages of 77.5°F (25.3°C) and lows of 47.5°F (8.6°C).

What is the least humid month?

The months with the lowest humidity 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?

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

What is the month with the highest UV index?

With an average maximum UV index of 5, July is the month with the highest UV index.

What month is the coldest in Polaris?

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.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

What is the month with the least sunshine?

With an average of 6.1h of sunshine, December has the least sunshine of the year.

Average temperature
Polaris, MT

Average temperature - Polaris, MT

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).

Average pressure
Polaris, MT

Average pressure - Polaris, MT

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

Average wind speed
Polaris, MT

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 humidity - Polaris, MT

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).

Average rainfall
Polaris, MT

Average rainfall - Polaris, MT

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days
Polaris, MT

Average rainfall days - Polaris, MT

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).

Average snowfall
Polaris, MT

Average snowfall - Polaris, MT

The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").

Average snowfall days
Polaris, MT

Average snowfall days - Polaris, MT

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

Average daylight / Average sunshine
Polaris, MT

Average daylight / Average sunshine - Polaris, MT

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days
Polaris, MT

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

Average visibility - Polaris, MT

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

Polaris, Montana, USA

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