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Polson (MT) Weather and Climate: A Comprehensive Guide

Polson experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. The city tends toward drier weather patterns. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The climate in Polson is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C in July to a very cold 0°C in the coolest month, December.

Nights are cooler, with lows often dropping to around -7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Polson has a relatively dry climate with low precipitation, averaging 428 mm of rain/snowfall annually. The climate in Polson shows significant variation throughout the year. Expect moderate rainfall in June, with an average of 64 mm of precipitation over 12 rainy days.

In contrast, August offers drier and sunnier days, with around 21 mm of rainfall over 7 rainy days. For more details, please visit our Polson Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Polson (MT)

Tue   Dec 24
5°C | -2°C
E 2 m/s
0.7 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Wed   Dec 25
3°C | -1°C
S 4 m/s
broken clouds and no rain

broken clouds and no rain

Thu   Dec 26
5°C | -1°C
S 5 m/s
0.6 mm
overcast and slight sleet

overcast and slight sleet

The best time of year to visit Polson in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Polson?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Polson?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Polson?
    The coldest month is December with an average maximum temperature of 0°C.
  • Which is the wettest month in Polson?
    June tops the wettest month list with 64 mm of rainfall.
  • Which is the driest month in Polson?
    August is the driest month with 21 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.