Climate and monthly weather forecastPolaris, MT
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month with the least rainfall. Rain falls for 8 days and accumulates 0.51" (13mm) of precipitation.
Throughout the year, there are 126.7 rainfall days, and 10.35" (263mm) of precipitation is accumulated.
January through June, September through December are months with snowfall.
Throughout the year, there are 81.2 snowfall days, and 29.76" (756mm) of snow is accumulated.
February is the most humid month, with an average relative humidity of 86%.
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.
February is the month with the lowest UV index, with an average maximum UV index of 1.
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.
June is the month with the most rainfall. Rain falls for 14 days and accumulates 1.5" (38mm) of precipitation.
The month with the longest days is June, with an average of 15h and 36min of daylight.
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).
The months with the lowest humidity are July and August, with an average relative humidity of 45%.
July and August are months without snowfall.
With an average of 12h of sunshine, July has the most sunshine of the year.
With an average maximum UV index of 5, July is the month with the highest UV index.
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.
December has the shortest days of the year, with an average of 8h and 48min of daylight.
With an average of 6.1h of sunshine, December has the least sunshine of the year.
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 in January:
30.24"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.23"Hg
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 in January:
6.5mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.5mph
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
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 in January:
0.51" - Average rainfall in February:
0.79" - Average rainfall in March:
0.83" - Average rainfall in April:
1.18" - Average rainfall in May:
1.26" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.71" - Average rainfall in September:
0.87" - Average rainfall in October:
0.71" - Average rainfall in November:
0.63" - Average rainfall in December:
0.63"
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 in January:
8 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
8.5 days - Average rainfall days in August:
8.7 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
8 days - Average rainfall days in December:
8.9 days
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 in January:
3.74" - Average snowfall in February:
5.51" - Average snowfall in March:
4.06" - Average snowfall in April:
3.66" - Average snowfall in May:
1.18" - Average snowfall in June:
0.04"
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 in January:
13 days - Average snowfall days in February:
14.1 days - Average snowfall days in March:
13.2 days - Average snowfall days in April:
9 days - Average snowfall days in May:
1.9 days - Average snowfall days in June:
0.2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1 days - Average snowfall days in October:
4.5 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
14 days
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 in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
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).
- Average sunshine in January:
6h and 12min - Average sunshine in February:
6h and 42min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 48min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 6min
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 in January:
16.8 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
10.1 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
18.2 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15.5 days
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 UV index
Polaris, MT
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Polaris, MT
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).
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).
