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Missoula

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Missoula Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Missoula year round climate

  • Spring (March–May): Average 3.3–12.7°C, climate gradually transitions from cold to warm, rainfall increases, May is the peak of the rainy season. Common activities: flower viewing, hiking. Recommended clothing: warm jacket, layered clothing.
  • Summer (June–August): Average 16.6–22.7°C, warm and dry climate, less rainfall, abundant sunshine. Common activities: camping, fishing, rafting. Recommended clothing: light and breathable clothing, hat, sunscreen.
  • Autumn (September–November): Average 9.0–16.4°C, cool climate, moderate rainfall, leaves changing color. Common activities: fall foliage viewing, hiking, picking. Recommended clothing: warm jacket, long-sleeved clothing.
  • Winter (December–February): Average -5.1–-1.7°C, cold climate, moderate snowfall, temperatures below freezing. Common activities: skiing, snowshoeing. Recommended clothing: warm jacket, hat, gloves, scarf, snow boots.

Missoula climatological average

Annual average temperature: approx. 8.3°C / Annual rainfall: approx. 302 mm / Summer humidity: 60%–70% / Rainiest month: May

Missoula monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-5.1°C
25.7
February
-1.7°C
20
March
3.3°C
13.7
April
6.5°C
25
May
12.7°C
49.7
June
16.6°C
42.7
July
22.7°C
7.3
August
21.6°C
25.7
September
16.4°C
35.3
October
9°C
12.3
November
0°C
24
December
-2.2°C
20.7

Missoula weather for the next seven days

12/17
Wednesday
Moderate rain
6.2°C/-0.6°C
12/18
Thursday
Moderate snow
1°C/-0.9°C
12/19
Friday
Moderate rain
4.2°C/-5.8°C
12/20
Saturday
Moderate or heavy snow showers
0.9°C/-8.1°C
12/21
Sunday
Sunny
1.4°C/-9.5°C
12/22
Monday
Heavy snow
2.7°C/-5.2°C
12/23
Tuesday
Heavy snow
2.3°C/-6°C