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Montana

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Montana Weather and climate

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
10/17
Friday
Sunny
16.5°C/3.2°C
10/18
Saturday
Sunny
10.9°C/-0.3°C
10/19
Sunday
Partly Cloudy
13.5°C/4.2°C
10/20
Monday
Patchy rain nearby
9.6°C/2°C
10/21
Tuesday
Sunny
16.3°C/2.7°C
10/22
Wednesday
Sunny
13.7°C/5.5°C
10/23
Thursday
Sunny
21.9°C/7.6°C

Montana FAQ

What is the best month to visit Montana?
The best time to visit Montana depends on your interests. For peak summer activities like hiking in Glacier National Park and exploring open roads such as Going-to-the-Sun Road, July and August are ideal, though expect crowds and higher prices. September offers a great balance with warm weather, fewer visitors, and access to trails. For winter sports, January to March are excellent choices.
Where should I go for my first time in Montana?
For a first-time visit to Montana, consider exploring charming towns like Bozeman or Whitefish, which offer a blend of local culture and cuisine. Off-the-beaten-path attractions such as the Lewis and Clark Caverns provide unique natural wonders.
What is the prettiest place to go to in Montana?
Montana is renowned for its stunning natural beauty. Glacier National Park is a must-see with its dramatic landscapes. Bozeman offers a vibrant city experience against a backdrop of mountains. Yellowstone National Park, while shared with Wyoming, features incredible geothermal features and wildlife. The Beartooth Highway is also considered one of the most scenic drives in the United States.
What is the number one tourist attraction in Montana?
While 'number one' can be subjective, Going-to-the-Sun Road in Glacier National Park is a legendary scenic drive that draws countless visitors. Grinnell Glacier offers spectacular hiking. The Grizzly and Wolf Discovery Center in West Yellowstone provides an opportunity to see native wildlife up close. The Beartooth Highway is another iconic scenic route.
When can I visit Glacier National Park in Montana?
Glacier National Park in Montana is typically most accessible from late spring through early fall. The famous Going-to-the-Sun Road is usually fully open from late June or early July to mid-October, weather permitting. Summer months, July and August, offer the best access and warmest weather for hiking and sightseeing, but are also the busiest.