Weather in Larimer County, Colorado for December 2025
With an average of 5 snowy days, Larimer County usually enjoys a light touch of snow in December.
According to Larimer County snow forecast for December 2025, 3 snowy days are expected in the next 2 weeks. The closest date with snow is Monday, December 22.Until now, December 2025 in Larimer County is slightly cooler than the historical average by -1.1 °F.
The forecast for the upcoming days in Larimer County predicts a temperature of 8.9 °F, which is slightly above the historical average.
In general, the average temperature in Larimer County at the beginning of December is 7.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.3 °F by the end of December.
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Larimer County Weather December
Temperatures trend during December in Larimer County
December weather in Larimer County day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 4° /-6° | 0.5 mm | 0.5 cm | |
| Dec. 2 | Partly cloudy | 6° /-5° | 0 mm | 0 cm | |
| Dec. 3 | Overcast | 5° /-4° | 1.1 mm | 0.8 cm | |
| Dec. 4 | Overcast | 8° /-4° | 0 mm | 0 cm | |
| Dec. 5 | Sunny | 10° /-2° | 0 mm | 0 cm | |
| Dec. 6 | Sunny | 10° /-1° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | 9° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Light snow showers | 6° /-3° | 0.3 mm | 0.2 cm | |
| Dec. 9 | Overcast | 5° /-3° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 7° /-4° | 0 mm | 0 cm | |
| Dec. 11 | Patchy rain possible | 9° /-1° | 0 mm | 0 cm | |
| Dec. 12 | Light snow showers | 5° /-1° | 0.3 mm | 0.3 cm | |
| Dec. 13 | Sunny | 15° /0° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | 14° /-2° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 16° /1° | 0 mm | 0 cm | |
| Dec. 16 | Partly cloudy | 14° /3° | 0 mm | 0 cm | |
| Dec. 17 | Sunny | 15° /5° | 0 mm | 0 cm | |
| Dec. 18 | Sunny | 14° /1° | 0 mm | 0 cm | |
| Dec. 19 | Sunny | 8° /1° | 0 mm | 0 cm | |
| Dec. 20 | Partly cloudy | 8° /0° | 0 mm | 0 cm | |
| Dec. 21 | Sunny | 14° /-2° | 0 mm | 0 cm | |
| Dec. 22 | Partly cloudy | 5° /0° | 0 mm | 0 cm | |
| Dec. 23 | Heavy snow | -2° /-5° | 1.9 mm | 1.4 cm | |
| Dec. 24 | Light freezing rain | -2° /-8° | 0.1 mm | 0 cm | |
| Dec. 25 | Sunny | 4° /-8° | 0 mm | 0 cm | |
| Dec. 26 | Sunny | 1° /-6° | 0 mm | 0 cm | |
| Dec. 27 | Moderate snow | 6° /-1° | 0.1 mm | 0.1 cm | |
| Dec. 28 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Dec. 29 | Partly cloudy | 7° /-2° | 0 mm | 0 cm | |
| Dec. 30 | Partly cloudy | 7° /-1° | 0 mm | 0 cm | |
| Dec. 31 | Overcast | 1° /-4° | 0 mm | 0 cm | |
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Larimer County in December - FAQ
Larimer County snow forecast December 2025
December rainfall patterns in Larimer County
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Get accurate weather forecasts for Larimer County, located at latitude 40.585 and longitude -105.084. Stay updated with localized weather information tailored for Larimer County.