Helena weather in December
Cold, with occasional showers. Average highs of 0°C and lows of -10°C, with around 7 rainy days expected throughout the month.
While December isn't our top-rated month for Helena, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
0°C
Average low
-10°C
Rainy days
7 days
Best months to visit
June, July, August, September
What to do in Helena in December
Whatever the weather, Helena rewards curious visitors. Here are some of the best ways to spend your time:
Hike to Cathedral Peak for city views
Tour Victorian mansions in the historic district
Explore the Montana State Capitol building
Visit the Holter Museum of Art in a mansion
Hike King George Trail through ponderosa forest
Explore Last Chance Gulch's historic mining areas
What to pack for December
Pack for cold weather — a proper winter coat, thermal layers, waterproof boots, and warm accessories. You'll want a good base layer for outdoor activities.
Browse other months
January
0C
Cold, with occasional showers.
February
-1C
Cold, with occasional showers.
March
6C
Cold, with occasional showers.
April
11C
Cool, with occasional showers.
May
17C
Cool, with some rainy days.
Recommended
June
23C
Mild and comfortable, with some rainy days.
Recommended
July
29C
Warm and pleasant, and mostly sunny skies.
Recommended
August
28C
Warm and pleasant, and mostly sunny skies.
Recommended
September
21C
Mild and comfortable, with occasional showers.
October
13C
Cool, with occasional showers.
November
5C
Cold, with occasional showers.
December (you are here)
0C
Cold, with occasional showers.
Book your December trip to Helena
Find hotels, tours and experiences for the perfect escape.
