Yellowstone County (Billings)
December
Weather in Yellowstone County, Montana for December 2025
Your guide to Yellowstone County weather in December - trends and predictions
With an average of 3 snowy days, Yellowstone County usually enjoys a light touch of snow in December.
In general, the average temperature in Yellowstone County at the beginning of December is 7.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 4.9 °F by the end of December.
Yellowstone County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 18.6 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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22
Dry days
6
Rainy days
3
Snow days
6°/-2°
Temperatures
21 km/h
Avg max wind
70 %
Avg humidity
Yellowstone County Weather December
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Temperatures trend during December in Yellowstone County
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December weather in Yellowstone County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 2° /-5° | 0 mm | 0 cm | |
| Dec. 2 | Overcast | 7° /-8° | 0 mm | 0 cm | |
| Dec. 3 |  Partly cloudy | 10° /-2° | 0 mm | 0 cm | |
| Dec. 4 |  Cloudy | 7° /-4° | 0 mm | 0 cm | |
| Dec. 5 |  Sunny | 9° /-4° | 0 mm | 0 cm | |
| Dec. 6 | Sunny | 9° /0° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 9° /1° | 0 mm | 0 cm | |
| Dec. 8 | Sunny | 7° /0° | 0 mm | 0 cm | |
| Dec. 9 |  Light freezing rain | 3° /-1° | 1 mm | 0 cm | |
| Dec. 10 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 11 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 6° /-4° | 0 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 7° /-5° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | 7° /-3° | 3.2 mm | 1 cm | |
| Dec. 15 |  Heavy rain at times | 3° /0° | 3.3 mm | 0 cm | |
| Dec. 16 | Overcast | 2° /-4° | 0.1 mm | 0 cm | |
| Dec. 17 | Overcast | 3° /-4° | 0.1 mm | 0 cm | |
| Dec. 18 | Overcast | 8° /-5° | 0 mm | 0 cm | |
| Dec. 19 | Cloudy | 6° /-2° | 0 mm | 0 cm | |
| Dec. 20 | Cloudy | 10° /-3° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 10° /0° | 0 mm | 0 cm | |
| Dec. 22 | Partly cloudy | 10° /-1° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 6° /-2° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 6° /-2° | 0 mm | 0 cm | |
| Dec. 25 |  Moderate rain at times | 9° /-1° | 1.5 mm | 0 cm | |
| Dec. 26 |  Patchy rain possible | 5° /-2° | 0.6 mm | 0 cm | |
| Dec. 27 | Overcast | 7° /0° | 0 mm | 0 cm | |
| Dec. 28 | Heavy rain at times | 7° /0° | 1.4 mm | 0 cm | |
| Dec. 29 | Light freezing rain | 4° /-2° | 3.1 mm | 1.2 cm | |
| Dec. 30 | Patchy rain possible | 2° /-2° | 0.9 mm | 0 cm | |
| Dec. 31 |  Moderate snow | 0° /-5° | 3.4 mm | 2.4 cm | |
| Next | |||||
Important Notice
Our weather forecast for Yellowstone 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 Yellowstone County forecast closer to your planned date for the most up-to-date weather information.
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Yellowstone County in December - FAQ
What are the expected maximum and minimum temperatures in Yellowstone County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below -2°.
How much rainfall should be expected in Yellowstone County during December?
Expect minimal rainfall in Yellowstone County during December, with a total of 18.6 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Yellowstone County in December 2025?
Yellowstone County experiences an average snowfall of 4.7 cm during December, occurring over 3 days.
What are the typical wind conditions in Yellowstone County during December?
The average wind speed in Yellowstone County during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Yellowstone County snow forecast December 2025
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December rainfall patterns in Yellowstone County
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Where is Yellowstone County?Get accurate weather forecasts for Yellowstone County, located at latitude 45.783 and longitude -108.501. Stay updated with localized weather information tailored for Yellowstone County.
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