Fort Collins (CO)
December
Weather in Fort Collins, Colorado for December 2026
Your guide to Fort Collins weather in December - trends and predictions
With an average of 2 snowy days, Fort Collins usually enjoys a light touch of snow in December.
In general, the average temperature in Fort Collins at the beginning of December is 7.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 5.9 °C by the end of December.
Precipitation in Fort Collins during December is a rare event, with an average of fewer than 2 rainy days.
Is December a good time to visit Fort Collins? check out the best time to travel to Fort Collins page.
✨ Is December a good time to visit Fort Collins? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
29
Dry days
0
Rainy days
2
Snow days
7°/-1°
Temperatures
17 km/h
Avg max wind
50 %
Avg humidity
Fort Collins Weather December
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Temperatures trend during December in Fort Collins
See the weather trend as well as the moving average line
December weather in Fort Collins day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 3° /-5° | 0.5 mm | 0.5 cm | |
| Dec. 2 |  Partly cloudy | 5° /-5° | 0 mm | 0 cm | |
| Dec. 3 |  Patchy rain possible | 5° /-3° | 1.1 mm | 0.8 cm | |
| Dec. 4 |  Overcast | 8° /-3° | 0 mm | 0 cm | |
| Dec. 5 | Sunny | 10° /-1° | 0 mm | 0 cm | |
| Dec. 6 | Sunny | 10° /-1° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | 9° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Patchy rain possible | 6° /-2° | 0.3 mm | 0.2 cm | |
| Dec. 9 | Overcast | 5° /-3° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 6° /-4° | 0 mm | 0 cm | |
| Dec. 11 | Patchy rain possible | 8° /-1° | 0 mm | 0 cm | |
| Dec. 12 | Patchy rain possible | 4° /-1° | 0.3 mm | 0.3 cm | |
| Dec. 13 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | 8° /-1° | 0 mm | 0 cm | |
| Dec. 15 | Partly cloudy | 10° /1° | 0 mm | 0 cm | |
| Dec. 16 | Sunny | 9° /-2° | 0 mm | 0 cm | |
| Dec. 17 | Sunny | 10° /0° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 19 | Partly cloudy | 11° /1° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 9° /1° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 12° /1° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 11° /2° | 0 mm | 0 cm | |
| Dec. 23 | Partly cloudy | 9° /1° | 0.9 mm | 0.6 cm | |
| Dec. 24 | Overcast | 7° /0° | 0.5 mm | 0.4 cm | |
| Dec. 25 | Partly cloudy | 7° /-2° | 0 mm | 0 cm | |
| Dec. 26 |  Cloudy | 7° /-1° | 0 mm | 0 cm | |
| Dec. 27 | Cloudy | 6° /-1° | 0 mm | 0 cm | |
| Dec. 28 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 29 | Partly cloudy | 6° /-3° | 0 mm | 0 cm | |
| Dec. 30 | Partly cloudy | 7° /-1° | 0 mm | 0 cm | |
| Dec. 31 | Overcast | 5° /-3° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Fort Collins 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 Fort Collins forecast closer to your planned date for the most up-to-date weather information.
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Fort Collins in December - FAQ
What are the expected maximum and minimum temperatures in Fort Collins during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -1°.
How much rainfall should be expected in Fort Collins during December?
Rainfall in Fort Collins during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Fort Collins in December 2026?
Fort Collins experiences an average snowfall of 2.8 cm during December, occurring over 2 days.
What are the typical wind conditions in Fort Collins during December?
The average wind speed in Fort Collins during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Fort Collins snow forecast December 2026
Track daily snowfall levels and discover Fort Collins’s snowy potential this December ❄️
On average, Fort Collins sees 2 snowy days during December, with approximately 2.8 cm of total snowfall.
December rainfall patterns in Fort Collins
Explore the daily rainfall trends and prepare for Fort Collinss December weather 💧
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