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Weather in Missoula County, Montana for December 2025

Your guide to Missoula County weather in December - trends and predictions

    Snow Forecast ❄️

  • Missoula County typically experiences moderate snowfall in December, with an average of 6 snowy days.

    • Temperatures

  • In general, the average temperature in Missoula County at the beginning of December is 2.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 1.6 °F by the end of December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
7
Rainy days
Average snowy days
6
Snow days
Average temperatures
2°/-4°
Temperatures
Average wind speed
7 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Missoula County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
4°
2
Overcast
2°
3
Overcast
-1°
4
Overcast
4°
5
Overcast
1°
6
Overcast
1°
7
Overcast
5°
8
Moderate or heavy snow showers
3°
9
Light freezing rain
0°
10
Partly cloudy
2°
11
Moderate snow
2°
12
Overcast
2°
13
Overcast
3°
14
Light freezing rain
5°
15
Light freezing rain
1°
16
Patchy moderate snow
-1°
17
Overcast
3°
18
Moderate rain at times
5°
19
Cloudy
4°
20
Overcast
3°
21
Patchy rain possible
5°
22
Overcast
4°
23
Patchy moderate snow
5°
24
Overcast
4°
25
Cloudy
1°
26
Light freezing rain
3°
27
Light freezing rain
2°
28
Light freezing rain
3°
29
Moderate snow
1°
30
Light freezing rain
1°
31
Freezing fog
0°

Temperatures trend during December in Missoula County

See the weather trend as well as the moving average line

December weather in Missoula County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Partly cloudy
Partly cloudy
 4° /-5° 0 mm 0 cm
Dec. 2 Overcast
Overcast
 2° /-8° 0 mm 0 cm
Dec. 3 Overcast
Overcast
 -1° /-8° 0 mm 0 cm
Dec. 4 Overcast
Overcast
 4° /-6° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Dec. 6 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 5° /-2° 2.6 mm 0 cm
Dec. 8 Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-1° 4.2 mm 2.3 cm
Dec. 9 Light freezing rain
Light freezing rain
 0° /-1° 0.1 mm 0 cm
Dec. 10 Partly cloudy
Partly cloudy
 2° /-4° 0 mm 0 cm
Dec. 11 Moderate snow
Moderate snow
 2° /-3° 1.3 mm 0.9 cm
Dec. 12 Overcast
Overcast
 2° /-6° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Dec. 14 Light freezing rain
Light freezing rain
 5° /-1° 0.2 mm 0 cm
Dec. 15 Light freezing rain
Light freezing rain
 1° /-3° 1.5 mm 0 cm
Dec. 16 Patchy moderate snow
Patchy moderate snow
 -1° /-9° 2.2 mm 0.4 cm
Dec. 17 Overcast
Overcast
 3° /-4° 0.8 mm 0 cm
Dec. 18 Moderate rain at times
Moderate rain at times
 5° /0° 2.1 mm 0 cm
Dec. 19 Cloudy
Cloudy
 4° /-6° 0 mm 0 cm
Dec. 20 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Dec. 21 Patchy rain possible
Patchy rain possible
 5° /-2° 1.2 mm 0 cm
Dec. 22 Overcast
Overcast
 4° /-1° 0 mm 0 cm
Dec. 23 Patchy moderate snow
Patchy moderate snow
 5° /-4° 1.9 mm 0.9 cm
Dec. 24 Overcast
Overcast
 4° /-4° 0.3 mm 0 cm
Dec. 25 Cloudy
Cloudy
 1° /-3° 0 mm 0 cm
Dec. 26 Light freezing rain
Light freezing rain
 3° /-3° 2.2 mm 0 cm
Dec. 27 Light freezing rain
Light freezing rain
 2° /-4° 2.1 mm 0 cm
Dec. 28 Light freezing rain
Light freezing rain
 3° /-1° 2.6 mm 0 cm
Dec. 29 Moderate snow
Moderate snow
 1° /-2° 7.4 mm 3 cm
Dec. 30 Light freezing rain
Light freezing rain
 1° /-2° 3.9 mm 0.7 cm
Dec. 31 Freezing fog
Freezing fog
 0° /-9° 0 mm 0 cm
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Important Notice
Our weather forecast for Missoula County 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 Missoula County forecast closer to your planned date for the most up-to-date weather information.
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Missoula County in December - FAQ

What are the expected maximum and minimum temperatures in Missoula County during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Missoula County during December?
In December, Missoula County can expect light to moderate rainfall, totaling 36.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Missoula County in December 2025?
Missoula County experiences an average snowfall of 8.21 cm during December, occurring over 6 days.
What are the typical wind conditions in Missoula County during December?
The average wind speed in Missoula County during December is 7 km/h, suggesting breezy to windy conditions, depending on your activities.

Missoula County snow forecast December 2025

Track daily snowfall levels and discover Missoula County’s snowy potential this December ❄️

December rainfall patterns in Missoula County

Explore the daily rainfall trends and prepare for Missoula Countys December weather 💧
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Location coordinates Where is Missoula County?

Get accurate weather forecasts for Missoula County, located at latitude 46.872 and longitude -113.994. Stay updated with localized weather information tailored for Missoula County.

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