Missoula Weather & Climate

United States of America

Missoula sees feels-like daytime highs peak around 32.4°C in July and nighttime lows bottom out near -8°C in January. May is the wettest month (~50 mm), while January is the driest (~17 mm). For sunshine, July leads with about 73% clear skies.

Best time to visit Missoula

Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, June, and July — expect around 14.331.5°C with roughly 17% chance of rain on a given day in August.

Missoula climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-8° / -2°9%17 mm35%7.3 kph
February-5.5° / 1.6°11%18 mm38%7.2 kph
March-1.6° / 8.1°18%25 mm37%7.2 kph
April2.5° / 15.1°22%30 mm42%7.1 kph
May7.2° / 20.4°30%50 mm46%6.9 kph
June12.1° / 26.9°29%50 mm57%6.6 kph
July15.6° / 32.4°19%27 mm73%6.4 kph
August14.3° / 31.5°17%24 mm73%6.4 kph
September8.4° / 23.1°18%26 mm64%6.6 kph
October2.2° / 13.6°20%29 mm52%7 kph
November-3.5° / 3.5°16%29 mm41%7.2 kph
December-8° / -2.7°10%21 mm36%7.3 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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