Polson (MT) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Polson.

Climate overview of Polson

Temperatures in Polson, Montana, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while December is the coldest at 0°C (32°F).

The city tends toward dry conditions, with around 428 mm (17 in) of rain/snowfall per year. It does, however, have a distinct dry season from July to April.

Polson Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Polson — and find the best time to visit.

Monthly Temperature in Polson

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 (84°F) in July to a very cold 0°C (32°F) in the coolest month, December.

Nights vary from 12°C (54°F) in July to around -7°C (19°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Polson

Polson has a relatively dry climate with low precipitation, averaging 428 mm (17 in) of rain/snowfall annually. The climate in Polson shows significant variation throughout the year. Expect moderate rainfall in June, the wettest month, with an average of 64 mm (2.5 in) of precipitation over 12 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 21 mm (0.8 in) 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

Best Time to Visit Polson

Polson's weather is most enjoyable during May, June, July, August and September, with comfortable temperatures from 18°C (65°F) to 29°C (83°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 21 mm (0.8 in) and 64 mm (2.5 in), providing a good balance of sunny and rainy days.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Polson

What is the best time to visit Polson?

June, July, August and September typically offer the most optimal weather in Polson. In contrast, January, February, November and December tend to have less optimal conditions. Polson has a distinct dry season from July to April.

What temperatures can I expect in Polson?

Daytime highs range from 0°C (32°F) in December to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Polson get?

Annual rainfall is around 428 mm (17 in). June is the wettest month with 64 mm (2.5 in), while August is the driest with 21 mm (0.8 in).

Polson 3-Day Forecast

Polson (MT) 3-Day Forecast

Polson on the map

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