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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 -35–54°F, 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 61–73°F, 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 48–63°F, 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–-35.2°F, 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. 47.8°F / Annual rainfall: approx. 440 mm / Summer humidity: 30%–40% / Rainiest month: May

Montana monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
24.3°F
18.1
February
27.7°F
28.4
March
28.8°F
19.2
April
43.2°F
54
May
54.7°F
93.6
June
61.9°F
67.2
July
73°F
15.9
August
72.7°F
33.4
September
63.3°F
35.8
October
48.6°F
36.2
November
31.5°F
21.1
December
25°F
17.3

Montana weather for the next seven days

6/22
Monday
Patchy rain nearby
61.7°F/48.3°F
6/23
Tuesday
Sunny
67.8°F/41.2°F
6/24
Wednesday
Sunny
74.8°F/48.4°F
6/25
Thursday
Patchy rain nearby
73.7°F/53.8°F
6/26
Friday
Partly Cloudy
74.7°F/52.5°F
6/27
Saturday
Patchy rain nearby
65.1°F/50.7°F
6/28
Sunday
Partly Cloudy
61.5°F/49.2°F