easeweather.com
Flathead County (Glacier National Park)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Glacier National Park (MT)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWinston-Salem (NC) More Locations
United States weather

Weather in Flathead County, Montana for December 2026

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

    Snow Forecast ❄️

  • Flathead County typically experiences moderate snowfall in December, with an average of 10 snowy days.

    • More

  • Is December a good time to visit Flathead County? check out the best time to travel to Flathead County page.

  • ✨ Is December a good time to visit Flathead County? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
3
Rainy days
Average snowy days
10
Snow days
Average temperatures
1°/-3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
90 %
Avg humidity

Flathead County Weather December

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

Temperatures trend during December in Flathead County

See the weather trend as well as the moving average line

December weather in Flathead County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Light snow
Light snow
 -2° /-10° 2 mm 0.8 cm
Dec. 2 Overcast
Overcast
 -1° /-6° 0 mm 0 cm
Dec. 3 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Dec. 4 Light snow
Light snow
 0° /-5° 4.1 mm 1.7 cm
Dec. 5 Light snow
Light snow
 -1° /-5° 6.3 mm 4.6 cm
Dec. 6 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Dec. 7 Patchy rain possible
Patchy rain possible
 2° /-2° 1.5 mm 0 cm
Dec. 8 Light freezing rain
Light freezing rain
 3° /-2° 9 mm 5.1 cm
Dec. 9 Light freezing rain
Light freezing rain
 2° /-2° 3.4 mm 0 cm
Dec. 10 Moderate snow
Moderate snow
 2° /-2° 16.5 mm 8.5 cm
Dec. 11 Light rain
Light rain
 3° /-3° 3.3 mm 0 cm
Dec. 12 Cloudy
Cloudy
 1° /-5° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 2° /-2° 0 mm 0 cm
Dec. 14 Light freezing rain
Light freezing rain
 2° /-4° 0.2 mm 0 cm
Dec. 15 Patchy moderate snow
Patchy moderate snow
 3° /-2° 0.6 mm 0.3 cm
Dec. 16 Light freezing rain
Light freezing rain
 2° /-3° 0.6 mm 0 cm
Dec. 17 Light snow
Light snow
 3° /-2° 15.9 mm 3.2 cm
Dec. 18 Patchy moderate snow
Patchy moderate snow
 2° /-1° 9.2 mm 5.4 cm
Dec. 19 Light snow
Light snow
 2° /-3° 4.5 mm 2.1 cm
Dec. 20 Overcast
Overcast
 1° /-3° 0.1 mm 0 cm
Dec. 21 Patchy rain possible
Patchy rain possible
 1° /-4° 0.6 mm 0 cm
Dec. 22 Overcast
Overcast
 2° /-1° 0.3 mm 0 cm
Dec. 23 Patchy moderate snow
Patchy moderate snow
 2° /-2° 0.7 mm 0.3 cm
Dec. 24 Light rain
Light rain
 2° /-2° 6.5 mm 4.6 cm
Dec. 25 Overcast
Overcast
 1° /-1° 0.2 mm 0 cm
Dec. 26 Light freezing rain
Light freezing rain
 1° /-2° 15.6 mm 7.9 cm
Dec. 27 Light freezing rain
Light freezing rain
 0° /-5° 2.6 mm 1.6 cm
Dec. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 -3° /-7° 7.1 mm 0.2 cm
Dec. 29 Light snow
Light snow
 0° /-3° 5.2 mm 3.2 cm
Dec. 30 Light snow
Light snow
 -1° /-6° 1.5 mm 0.8 cm
Dec. 31 Mist
Mist
 -2° /-7° 0.9 mm 0.7 cm
Next
Important Notice
Our weather forecast for Flathead 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 Flathead County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Flathead County in December - FAQ

What are the expected maximum and minimum temperatures in Flathead County during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Flathead County during December?
Significant rainfall exceeding 118.1 mm is expected in Flathead County during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Flathead County in December 2026?
Flathead County experiences an average snowfall of 50.9 cm during December, occurring over 10 days.

What are the typical wind conditions in Flathead County during December?
The average wind speed in Flathead County during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

Flathead County snow forecast December 2026

Track daily snowfall levels and discover Flathead County’s snowy potential this December ❄️
On average, Flathead County sees 10 snowy days during December, with approximately 50.9 cm of total snowfall.

December rainfall patterns in Flathead County

Explore the daily rainfall trends and prepare for Flathead Countys December weather 💧
Typically, Flathead County has 3 rainy days in December with a total of 118.1 mm of rainfall.
Top locations in Flathead County
Select a location for an accurate weather forecast
Glacier National Park
More Locations
Quick links
More Flathead County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.