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Weather in Montana for December 2026

Your guide to Montana weather in December - trends and predictions

    Snow Forecast ❄️

  • Expect heavy snowfall in Montana during December, with an average of 18 snowy days.

  • Temperatures

  • In general, the average temperature in Montana at the beginning of December is 3.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 1.6 °C by the end of December.

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Average dry days
11
Dry days
Average rainy days
2
Rainy days
Average snowy days
18
Snow days
Average temperatures
3°/-4°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Montana Weather December

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What’s the Weather Like in Montana This December?

Discover the average temperatures and weather trends across Montana’s cities this December.

Temperatures trend during December in Montana

See the weather trend as well as the moving average line

December weather in Montana day by day

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Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
2° /-7° 1.6 mm 1.2 cm
Dec. 2 Sunny
Sunny
4° /-4° 21.5 mm 15.6 cm
Dec. 3 Sunny
Sunny
4° /-4° 0 mm 0 cm
Dec. 4 Sunny
Sunny
3° /-4° 8.8 mm 6.4 cm
Dec. 5 Sunny
Sunny
4° /-3° 7.1 mm 5.1 cm
Dec. 6 Sunny
Sunny
3° /-2° 2.5 mm 1.8 cm
Dec. 7 Overcast
Overcast
4° /-2° 0 mm 0 cm
Dec. 8 Light freezing rain
Light freezing rain
2° /-3° 1.6 mm 0.5 cm
Dec. 9 Patchy moderate snow
Patchy moderate snow
1° /-4° 1.1 mm 0.3 cm
Dec. 10 Cloudy
Cloudy
3° /-4° 4.7 mm 3.4 cm
Dec. 11 Light freezing rain
Light freezing rain
3° /-1° 5.2 mm 2.5 cm
Dec. 12 Partly cloudy
Partly cloudy
4° /-3° 19.6 mm 14.2 cm
Dec. 13 Partly cloudy
Partly cloudy
4° /-2° 0 mm 0 cm
Dec. 14 Overcast
Overcast
7° /-2° 0.1 mm 0 cm
Dec. 15 Moderate or heavy snow showers
Moderate or heavy snow showers
4° /-4° 3.3 mm 2.1 cm
Dec. 16 Patchy moderate snow
Patchy moderate snow
3° /-4° 1.1 mm 0.6 cm
Dec. 17 Overcast
Overcast
2° /-5° 0.1 mm 0 cm
Dec. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
3° /-4° 1 mm 0 cm
Dec. 19 Sunny
Sunny
4° /-4° 3.5 mm 2.5 cm
Dec. 20 Partly cloudy
Partly cloudy
3° /-6° 0 mm 0 cm
Dec. 21 Overcast
Overcast
5° /-4° 0 mm 0 cm
Dec. 22 Moderate or heavy snow showers
Moderate or heavy snow showers
3° /-1° 2.8 mm 1.8 cm
Dec. 23 Patchy rain possible
Patchy rain possible
5° /-2° 0.1 mm 0 cm
Dec. 24 Overcast
Overcast
7° /-2° 5.2 mm 0 cm
Dec. 25 Light freezing rain
Light freezing rain
4° /-1° 0.2 mm 0 cm
Dec. 26 Light freezing rain
Light freezing rain
3° /-2° 0.6 mm 0 cm
Dec. 27 Light freezing rain
Light freezing rain
0° /-8° 3 mm 2 cm
Dec. 28 Moderate snow
Moderate snow
-2° /-7° 2.4 mm 1 cm
Dec. 29 Moderate or heavy snow showers
Moderate or heavy snow showers
3° /-6° 3.1 mm 1.7 cm
Dec. 30 Patchy moderate snow
Patchy moderate snow
2° /-4° 3 mm 1.4 cm
Dec. 31 Overcast
Overcast
1° /-8° 0 mm 0 cm
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Important Notice
Our weather forecast for Montana in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Montana forecast closer to your planned date for the most up-to-date weather information.

Montana in December - FAQ

What are the expected maximum and minimum temperatures in Montana during December?

Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Montana during December?

Significant rainfall exceeding 103.4 mm is expected in Montana during December, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Montana in December 2026?

Montana experiences an average snowfall of 64 cm during December, occurring over 18 days.

What are the typical wind conditions in Montana during December?

The average wind speed in Montana during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Montana snow forecast December 2026

Track daily snowfall levels and discover Montana’s snowy potential this December ❄️
On average, Montana sees 18 snowy days during December, with approximately 64 cm of total snowfall.

December rainfall patterns in Montana

Explore the daily rainfall trends and prepare for Montanas December weather 💧
Typically, Montana has 2 rainy days in December with a total of 103.4 mm of rainfall.
Counties in Montana
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Location coordinates Where is Montana?

Get accurate weather forecasts for Montana, located at latitude 45.68 and longitude -111.039. Stay updated with localized weather information tailored for Montana.

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