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Wyoming (Yellowstone National Park)
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Weather in Wyoming for December 2025

Your guide to Wyoming weather in December - trends and predictions

    Snow Forecast ❄️

  • Wyoming typically experiences moderate snowfall in December, with an average of 8 snowy days.
    According to Wyoming snow forecast for December 2025, 11 snowy days are expected until the end of the month. The closest date with snow is Wednesday, December 17.

    • Temperatures

  • Until now, December 2025 in Wyoming has been nearly identical to the historical average, with a temperature of -2.7 °F (showing only a slight deviation of -0.5 °F).

  • The forecast for the next days in Wyoming predicts temperatures to be around -3 °F, close to the historical average.

  • In general, the average temperature in Wyoming at the beginning of December is -2 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -5.1 °F by the end of December.

    • More

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Average dry days
23
Dry days
Average rainy days
0
Rainy days
Average snowy days
8
Snow days
Average temperatures
-3°/-10°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Wyoming Weather December

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

What’s the Weather Like in Wyoming This December?

Discover the average temperatures and weather trends across Wyoming’s cities this December.
CloudyYellowstone National Park-3 °F / -10 °FCloudyCheyenne7 °F / -2 °FCloudySheridan5 °F / -3 °FCloudyJackson-1 °F / -8 °FOvercastCasper5 °F / -3 °FLight freezing rainGrand Teton National Park-1 °F / -9 °FMore Locations

Temperatures trend during December in Wyoming

See the weather trend as well as the moving average line

December weather in Wyoming day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Mist
Mist
 -2° /-12° 0 mm 0 cm
Dec. 2 Mist
Mist
 -2° /-10° 2.5 mm 1.8 cm
Dec. 3 Mist
Mist
 -2° /-12° 0 mm 0 cm
Dec. 4 Mist
Mist
 -3° /-11° 0 mm 0 cm
Dec. 5 Mist
Mist
 -1° /-12° 3.9 mm 1.1 cm
Dec. 6 Mist
Mist
 -2° /-13° 8.4 mm 6.1 cm
Dec. 7 Mist
Mist
 -2° /-12° 3.1 mm 2.2 cm
Dec. 8 Moderate snow
Moderate snow
 -3° /-8° 2.7 mm 1.9 cm
Dec. 9 Overcast
Overcast
 -4° /-8° 7.8 mm 1.7 cm
Dec. 10 Cloudy
Cloudy
 -4° /-8° 9.7 mm 3.4 cm
Dec. 11 Patchy heavy snow
Patchy heavy snow
 -2° /-8° 2.1 mm 1.5 cm
Dec. 12 Overcast
Overcast
 -2° /-7° 5.8 mm 4.2 cm
Dec. 13 Overcast
Overcast
 -2° /-10° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 0° /-8° 4.8 mm 3.5 cm
Dec. 15 Overcast
Overcast
 -2° /-11° 0 mm 0 cm
Dec. 16 Overcast
Overcast
 -1° /-3° 0 mm 0 cm
Dec. 17 Blowing snow
Blowing snow
 0° /-10° 38.4 mm 4.6 cm
Dec. 18 Moderate or heavy snow showers
Moderate or heavy snow showers
 -7° /-12° 6.1 mm 3.8 cm
Dec. 19 Blizzard
Blizzard
 -1° /-3° 18.3 mm 0 cm
Dec. 20 Patchy snow possible
Patchy snow possible
 -5° /-12° 6.3 mm 0.2 cm
Dec. 21 Moderate snow
Moderate snow
 -2° /-12° 2 mm 1.5 cm
Dec. 22 Blizzard
Blizzard
 -3° /-8° 3.4 mm 0 cm
Dec. 23 Heavy snow
Heavy snow
 -2° /-12° 1.9 mm 1.4 cm
Dec. 24 Heavy snow
Heavy snow
 1° /-3° 7.2 mm 5.2 cm
Dec. 25 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-11° 8.3 mm 5.3 cm
Dec. 26 Heavy snow
Heavy snow
 -5° /-15° 2.8 mm 1.8 cm
Dec. 27 Freezing fog
Freezing fog
 -9° /-20° 0.1 mm 0 cm
Dec. 28 Patchy moderate snow
Patchy moderate snow
 -4° /-17° 0.6 mm 0.4 cm
Dec. 29 Blizzard
Blizzard
 -2° /-5° 5.4 mm 0.9 cm
Dec. 30 Overcast
Overcast
 -5° /-11° 9.7 mm 7 cm
Dec. 31 Overcast
Overcast
 -10° /-15° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Wyoming 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 Wyoming forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Wyoming in December - FAQ

What are the expected maximum and minimum temperatures in Wyoming 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 Wyoming during December?
Moderate rainfall is anticipated in Wyoming during December, with a total of 54.2 mm spread over approximately 0 days. Considering plans for rainy days is advisable.
Will it snow in Wyoming in December 2025?
Wyoming experiences an average snowfall of 39.06 cm during December, occurring over 8 days.
What are the typical wind conditions in Wyoming during December?
The average wind speed in Wyoming during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Wyoming snow forecast December 2025

Track daily snowfall levels and discover Wyoming’s snowy potential this December ❄️
On average, Wyoming sees 8 snowy days during December, with approximately 39.1 cm of total snowfall.

December rainfall patterns in Wyoming

Explore the daily rainfall trends and prepare for Wyomings December weather 💧
Counties in Wyoming
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Laramie CountyNatrona CountyPark CountySheridan CountyTeton County
Top locations in Wyoming
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CasperCheyenneGrand Teton National ParkJacksonSheridanYellowstone National Park
More Locations

Quick links

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Location coordinates Where is Wyoming?

Get accurate weather forecasts for Wyoming, located at latitude 44.428 and longitude -110.588. Stay updated with localized weather information tailored for Wyoming.

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