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Montana

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Montana Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Montana year round climate

  • Spring (March–May): Average -1.8–12.6°C, cold and dry climate, gradually warming, with snow remaining in some areas. Common activities: Skiing (before early March), wildlife viewing, hiking (after late May). Recommended clothing: Warm coat, hat, scarf, waterproof jacket.
  • Summer (June–August): Average 16.6–22.8°C, warm and dry climate, sunny, long days and short nights. Common activities: Camping, fishing, boating, horseback riding, hiking. Recommended clothing: Short-sleeved T-shirts, light pants, sun-protective clothing, sun hat.
  • Autumn (September–November): Average 9.2–17.4°C, cool and dry climate, vibrant autumn colors, warm days and cold nights. Common activities: Leaf peeping, bird watching, hunting. Recommended clothing: Light jacket, long-sleeved shirt, thermal underwear.
  • Winter (December–February): Average -4.3–-1.8°C, cold and dry climate, widespread snow cover, low temperatures and windy. Common activities: Skiing, snowmobiling, ice fishing. Recommended clothing: Heavy down jacket, thermal underwear, waterproof pants, snow boots.

Montana climatological average

Annual average temperature: approx. 8.8°C / Annual rainfall: approx. 440 mm / Summer humidity: 30%–40% / Rainiest month: May

Montana monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-4.3°C
18.1
February
-2.4°C
28.4
March
-1.8°C
19.2
April
6.2°C
54
May
12.6°C
93.6
June
16.6°C
67.2
July
22.8°C
15.9
August
22.6°C
33.4
September
17.4°C
35.8
October
9.2°C
36.2
November
-0.3°C
21.1
December
-3.9°C
17.3

Montana weather for the next seven days

5/3
Sunday
Sunny
23.2°C/5°C
5/4
Monday
Patchy rain nearby
10.7°C/3.3°C
5/5
Tuesday
Patchy rain nearby
8.2°C/2.4°C
5/6
Wednesday
Sunny
15.5°C/0.3°C
5/7
Thursday
Patchy rain nearby
14.8°C/8.9°C
5/8
Friday
Patchy rain nearby
18°C/7°C
5/9
Saturday
Patchy rain nearby
14.2°C/8.3°C