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Weather in Grand Teton National Park, Wyoming for December 2026

Your guide to Grand Teton National Park weather in December - trends and predictions

    Snow Forecast ❄️

  • Expect heavy snowfall in Grand Teton National Park during December, with an average of 17 snowy days.

    • More

  • Is December a good time to visit Grand Teton National Park? check out the best time to travel to Grand Teton National Park page.

  • ✨ Is December a good time to visit Grand Teton National Park? – Ask the AI Weatherman

Average dry days
13
Dry days
Average rainy days
1
Rainy days
Average snowy days
17
Snow days
Average temperatures
-1°/-8°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
89 %
Avg humidity

Grand Teton National Park Weather December

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

Temperatures trend during December in Grand Teton National Park

See the weather trend as well as the moving average line

December weather in Grand Teton National Park 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° /-12° 0 mm 0 cm
Dec. 2 Moderate snow
Moderate snow
 -1° /-10° 10.1 mm 7.3 cm
Dec. 3 Overcast
Overcast
 0° /-13° 0 mm 0 cm
Dec. 4 Light snow
Light snow
 -1° /-12° 5.9 mm 4.3 cm
Dec. 5 Moderate snow
Moderate snow
 1° /-10° 10.4 mm 6.8 cm
Dec. 6 Heavy snow
Heavy snow
 -1° /-10° 14.4 mm 10.4 cm
Dec. 7 Light snow
Light snow
 -2° /-10° 3.7 mm 2.7 cm
Dec. 8 Moderate snow
Moderate snow
 -1° /-7° 13.2 mm 9 cm
Dec. 9 Light freezing rain
Light freezing rain
 -3° /-7° 22.7 mm 10 cm
Dec. 10 Heavy snow
Heavy snow
 -2° /-6° 23.1 mm 16.7 cm
Dec. 11 Overcast
Overcast
 -1° /-7° 0 mm 0 cm
Dec. 12 Light freezing rain
Light freezing rain
 0° /-5° 1.2 mm 0.8 cm
Dec. 13 Light freezing rain
Light freezing rain
 -1° /-10° 0.3 mm 0 cm
Dec. 14 Light snow
Light snow
 0° /-7° 4 mm 2.2 cm
Dec. 15 Light snow
Light snow
 -1° /-9° 4.2 mm 1.9 cm
Dec. 16 Patchy moderate snow
Patchy moderate snow
 -2° /-7° 7.8 mm 5.1 cm
Dec. 17 Moderate snow
Moderate snow
 0° /-7° 30.4 mm 6.3 cm
Dec. 18 Light freezing rain
Light freezing rain
 -2° /-7° 10.6 mm 7.4 cm
Dec. 19 Moderate snow
Moderate snow
 0° /-8° 42 mm 5.1 cm
Dec. 20 Light snow
Light snow
 1° /-13° 8.6 mm 1.8 cm
Dec. 21 Heavy snow
Heavy snow
 2° /-9° 27.9 mm 20 cm
Dec. 22 Light freezing rain
Light freezing rain
 1° /-3° 25.1 mm 17.8 cm
Dec. 23 Moderate snow
Moderate snow
 0° /-3° 8.2 mm 5.2 cm
Dec. 24 Light snow
Light snow
 1° /-5° 5 mm 3.5 cm
Dec. 25 Light freezing rain
Light freezing rain
 1° /-4° 12.5 mm 8.5 cm
Dec. 26 Moderate snow
Moderate snow
 -1° /-6° 27.8 mm 19 cm
Dec. 27 Light freezing rain
Light freezing rain
 -5° /-11° 15.5 mm 3.7 cm
Dec. 28 Moderate or heavy snow showers
Moderate or heavy snow showers
 -5° /-10° 12.1 mm 7.9 cm
Dec. 29 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-12° 11.5 mm 7.8 cm
Dec. 30 Light freezing rain
Light freezing rain
 -2° /-12° 3.7 mm 2.2 cm
Dec. 31 Freezing fog
Freezing fog
 -4° /-15° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Grand Teton National Park 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 Grand Teton National Park forecast closer to your planned date for the most up-to-date weather information.
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Grand Teton National Park in December - FAQ

What are the expected maximum and minimum temperatures in Grand Teton National Park 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 Grand Teton National Park during December?
Significant rainfall exceeding 361.9 mm is expected in Grand Teton National Park during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Grand Teton National Park in December 2026?
Grand Teton National Park experiences an average snowfall of 193.3 cm during December, occurring over 17 days.

What are the typical wind conditions in Grand Teton National Park during December?
The average wind speed in Grand Teton National Park during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

Grand Teton National Park snow forecast December 2026

Track daily snowfall levels and discover Grand Teton National Park’s snowy potential this December ❄️
On average, Grand Teton National Park sees 17 snowy days during December, with approximately 193.3 cm of total snowfall.

December rainfall patterns in Grand Teton National Park

Explore the daily rainfall trends and prepare for Grand Teton National Parks December weather 💧
Typically, Grand Teton National Park has 1 rainy days in December with a total of 361.9 mm of rainfall.
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Location coordinates Where is Grand Teton National Park?

Get accurate weather forecasts for Grand Teton National Park, located at latitude 43.79 and longitude -110.682. Stay updated with localized weather information tailored for Grand Teton National Park.

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