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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.
    According to Missoula County snow forecast for December 2025, 13 snowy days are expected in the next 2 weeks. The closest date with snow is Thursday, December 4.

    • Temperatures

  • The forecast for the next days in Missoula County predicts temperatures to be around -1 °F, close to the historical average.

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

    • More

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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
2°
2
Overcast
1°
3
Overcast
-0°
4
Moderate or heavy snow showers
1°
5
Mist
2°
6
Moderate rain
4°
7
Mist
1°
8
Freezing fog
-0°
9
Patchy rain possible
4°
10
Heavy snow
4°
11
Moderate snow
1°
12
Patchy moderate snow
-4°
13
Light snow
-11°
14
Freezing fog
-9°
15
Moderate snow
-6°
16
Heavy snow
2°
17
Heavy snow
2°
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
 2° /-5° 0 mm 0 cm
Dec. 2 Overcast
Overcast
 1° /-6° 8.8 mm 6.3 cm
Dec. 3 Overcast
Overcast
 0° /-6° 0 mm 0 cm
Dec. 4 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-2° 22.6 mm 13.9 cm
Dec. 5 Mist
Mist
 2° /-9° 5 mm 3.6 cm
Dec. 6 Moderate rain
Moderate rain
 4° /-8° 9.1 mm 3.9 cm
Dec. 7 Mist
Mist
 1° /-10° 2.4 mm 1.7 cm
Dec. 8 Freezing fog
Freezing fog
 0° /-2° 3.5 mm 0 cm
Dec. 9 Patchy rain possible
Patchy rain possible
 4° /-5° 1.6 mm 0 cm
Dec. 10 Heavy snow
Heavy snow
 4° /-6° 3.8 mm 2.5 cm
Dec. 11 Moderate snow
Moderate snow
 1° /-7° 2.7 mm 1.9 cm
Dec. 12 Patchy moderate snow
Patchy moderate snow
 -4° /-12° 2.1 mm 1.5 cm
Dec. 13 Light snow
Light snow
 -11° /-22° 0.5 mm 0.4 cm
Dec. 14 Freezing fog
Freezing fog
 -9° /-25° 0.2 mm 0.1 cm
Dec. 15 Moderate snow
Moderate snow
 -6° /-17° 1.1 mm 0.8 cm
Dec. 16 Heavy snow
Heavy snow
 2° /-7° 3.3 mm 2.3 cm
Dec. 17 Heavy snow
Heavy snow
 2° /-6° 6 mm 4.3 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
Next
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 ❄️
On average, Missoula County sees 6 snowy days during December, with approximately 8.2 cm of total snowfall.

December rainfall patterns in Missoula County

Explore the daily rainfall trends and prepare for Missoula Countys December weather 💧
Typically, Missoula County has 7 rainy days in December with a total of 36.6 mm of rainfall.
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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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