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

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

    Snow Forecast ❄️

  • Yellowstone National Park typically experiences moderate snowfall in December, with an average of 8 snowy days.
    According to Yellowstone National Park snow forecast for December 2025, 13 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 Yellowstone National Park 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 Yellowstone National Park predicts temperatures to be around -2 °F, close to the historical average.

  • In general, the average temperature in Yellowstone National Park at the beginning of December is -2 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -4.6 °F by the end of December.

    • More

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

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

Yellowstone National Park 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
0°
17
Moderate or heavy snow showers
1°
18
Moderate or heavy snow showers
-8°
19
Blowing snow
-2°
20
Light snow showers
-7°
21
Heavy snow
-2°
22
Blizzard
1°
23
Moderate or heavy snow with thunder
1°
24
Moderate or heavy snow showers
2°
25
Blizzard
-1°
26
Patchy heavy snow
-7°
27
Cloudy
-8°
28
Moderate snow
-2°
29
Light freezing rain
1°
30
Overcast
-5°
31
Overcast
-10°

Temperatures trend during December in Yellowstone National Park

See the weather trend as well as the moving average line

December weather in Yellowstone National Park 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
 0° /-3° 0 mm 0 cm
Dec. 17 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-10° 14.8 mm 2.8 cm
Dec. 18 Moderate or heavy snow showers
Moderate or heavy snow showers
 -8° /-12° 1.8 mm 1.3 cm
Dec. 19 Blowing snow
Blowing snow
 -2° /-5° 53.2 mm 6.7 cm
Dec. 20 Light snow showers
Light snow showers
 -7° /-14° 1.4 mm 0.8 cm
Dec. 21 Heavy snow
Heavy snow
 -2° /-15° 2.6 mm 1.8 cm
Dec. 22 Blizzard
Blizzard
 1° /-3° 6.4 mm 3 cm
Dec. 23 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 1° /-3° 4.2 mm 2.7 cm
Dec. 24 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-3° 1.7 mm 1.2 cm
Dec. 25 Blizzard
Blizzard
 -1° /-6° 8.7 mm 5.3 cm
Dec. 26 Patchy heavy snow
Patchy heavy snow
 -7° /-13° 1.8 mm 1 cm
Dec. 27 Cloudy
Cloudy
 -8° /-15° 0.1 mm 0 cm
Dec. 28 Moderate snow
Moderate snow
 -2° /-9° 1.9 mm 1.4 cm
Dec. 29 Light freezing rain
Light freezing rain
 1° /-3° 0.4 mm 0.3 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 Yellowstone 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 Yellowstone National Park forecast closer to your planned date for the most up-to-date weather information.
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Yellowstone National Park in December - FAQ

What are the expected maximum and minimum temperatures in Yellowstone National Park 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 Yellowstone National Park during December?
Moderate rainfall is anticipated in Yellowstone National Park 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 Yellowstone National Park in December 2025?
Yellowstone National Park experiences an average snowfall of 39.06 cm during December, occurring over 8 days.
What are the typical wind conditions in Yellowstone National Park during December?
The average wind speed in Yellowstone National Park during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Yellowstone National Park snow forecast December 2025

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

December rainfall patterns in Yellowstone National Park

Explore the daily rainfall trends and prepare for Yellowstone National Parks December weather 💧

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Location coordinates Where is Yellowstone National Park?

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

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