Park County (Yellowstone National Park)
December
Weather in Park County for December 2025
Your guide to Park County weather in December - trends and predictions
Park County typically experiences moderate snowfall in December, with an average of 8 snowy days.
In general, the average temperature in Park County at the beginning of December is 0.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4 °F by the end of December.
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Snow Forecast ❄️
Temperatures
More
23
Dry days
0
Rainy days
8
Snow days
-3°/-10°
Temperatures
19 km/h
Avg max wind
84 %
Avg humidity
Park County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  0° | 2 1° | 3 2° | 4 2° | 5 1° | 6 0° | |
| 7 0° | 8  -4° | 9  -8° | 10  -8° | 11  -5° | 12 -4° | 13 -4° |
| 14 -3° | 15 -5° | 16 -7° | 17 -4° | 18 -2° | 19 -3° | 20 1° |
| 21  1° | 22 -3° | 23  -1° | 24 0° | 25 0° | 26 -4° | 27 -5° |
| 28 -4° | 29 0° | 30 -5° | 31 -10° |
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Temperatures trend during December in Park County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Mist | 0° /-11° | 0 mm | 0 cm | |
| Dec. 2 | Mist | 1° /-11° | 0 mm | 0 cm | |
| Dec. 3 | Mist | 2° /-12° | 0 mm | 0 cm | |
| Dec. 4 | Mist | 2° /-10° | 0 mm | 0 cm | |
| Dec. 5 | Mist | 1° /-14° | 0 mm | 0 cm | |
| Dec. 6 | Mist | 0° /-17° | 0 mm | 0 cm | |
| Dec. 7 | Mist | 0° /-14° | 0 mm | 0 cm | |
| Dec. 8 | Moderate snow | -4° /-10° | 5.4 mm | 3.9 cm | |
| Dec. 9 | Overcast | -8° /-12° | 0 mm | 0 cm | |
| Dec. 10 | Cloudy | -8° /-13° | 0 mm | 0 cm | |
| Dec. 11 | Patchy heavy snow | -5° /-12° | 1.1 mm | 0.7 cm | |
| Dec. 12 | Overcast | -4° /-12° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | -4° /-11° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | -3° /-7° | 9.6 mm | 7 cm | |
| Dec. 15 | Overcast | -5° /-12° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | -7° /-13° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | -4° /-9° | 9.3 mm | 6.7 cm | |
| Dec. 18 | Overcast | -2° /-6° | 0 mm | 0 cm | |
| Dec. 19 | Overcast | -3° /-14° | 0 mm | 0 cm | |
| Dec. 20 | Cloudy | 1° /-11° | 0 mm | 0 cm | |
| Dec. 21 | Partly cloudy | 1° /-11° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | -3° /-5° | 0 mm | 0 cm | |
| Dec. 23 | Thundery outbreaks possible | -1° /-5° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 0° /-6° | 3.8 mm | 2.8 cm | |
| Dec. 25 | Mist | 0° /-5° | 0 mm | 0 cm | |
| Dec. 26 | Overcast | -4° /-8° | 0 mm | 0 cm | |
| Dec. 27 | Overcast | -5° /-9° | 0 mm | 0 cm | |
| Dec. 28 | Moderate snow | -4° /-7° | 10.1 mm | 7.3 cm | |
| Dec. 29 | Moderate snow | 0° /-7° | 5.1 mm | 3.7 cm | |
| Dec. 30 | Overcast | -5° /-11° | 9.7 mm | 7 cm | |
| Dec. 31 | Overcast | -10° /-15° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Park 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 Park County forecast closer to your planned date for the most up-to-date weather information.
Park County in December - FAQ
What are the expected maximum and minimum temperatures in Park County 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 Park County during December?
Moderate rainfall is anticipated in Park County 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 Park County in December 2025?
Park County experiences an average snowfall of 39.1 cm during December, occurring over 8 days.
What are the typical wind conditions in Park County during December?
The average wind speed in Park County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Park County snow forecast December 2025
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December rainfall patterns in Park County
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