Alamosa (CO)
December
Weather in Alamosa, Colorado for December 2025
Your guide to Alamosa weather in December - trends and predictions
With an average of 2 snowy days, Alamosa usually enjoys a light touch of snow in December.
In general, the average temperature in Alamosa at the beginning of December is 5.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 3.7 °F by the end of December.
With an average of 2 rainy days, Alamosa experiences minimal rainfall in December.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
27
Dry days
2
Rainy days
2
Snow days
4°/-7°
Temperatures
10 km/h
Avg max wind
65 %
Avg humidity
Alamosa Weather December
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Temperatures trend during December in Alamosa
See the weather trend as well as the moving average line
December weather in Alamosa day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 5° /-7° | 0 mm | 0 cm | |
| Dec. 2 | Sunny | 6° /-5° | 0 mm | 0 cm | |
| Dec. 3 |  Partly cloudy | 5° /-5° | 0 mm | 0 cm | |
| Dec. 4 |  Overcast | 5° /-5° | 0 mm | 0 cm | |
| Dec. 5 | Sunny | 7° /-4° | 0 mm | 0 cm | |
| Dec. 6 | Sunny | 6° /-4° | 0 mm | 0 cm | |
| Dec. 7 | Sunny | 5° /-5° | 0 mm | 0 cm | |
| Dec. 8 |  Cloudy | 5° /-6° | 0 mm | 0 cm | |
| Dec. 9 |  Moderate or heavy snow showers | 1° /-7° | 5.1 mm | 3.4 cm | |
| Dec. 10 | Sunny | -6° /-13° | 2.2 mm | 1.4 cm | |
| Dec. 11 | Partly cloudy | -3° /-15° | 0 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 1° /-14° | 0 mm | 0 cm | |
| Dec. 13 | Sunny | 1° /-10° | 0 mm | 0 cm | |
| Dec. 14 | Cloudy | 0° /-15° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 6° /-7° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 1° /-12° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | 6° /-8° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | 2° /-9° | 0 mm | 0 cm | |
| Dec. 19 | Overcast | 4° /-7° | 0 mm | 0 cm | |
| Dec. 20 | Sunny | 5° /-8° | 0 mm | 0 cm | |
| Dec. 21 | Sunny | 6° /-7° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 4° /-7° | 0 mm | 0 cm | |
| Dec. 23 | Cloudy | 6° /-3° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 4° /-4° | 0 mm | 0 cm | |
| Dec. 25 |  Moderate or heavy rain shower | 4° /-3° | 3 mm | 0 cm | |
| Dec. 26 | Overcast | 2° /-6° | 0 mm | 0 cm | |
| Dec. 27 | Overcast | 3° /-8° | 0 mm | 0 cm | |
| Dec. 28 | Partly cloudy | 3° /-8° | 0 mm | 0 cm | |
| Dec. 29 | Cloudy | 8° /-7° | 0 mm | 0 cm | |
| Dec. 30 |  Light freezing rain | 5° /-4° | 0.3 mm | 0 cm | |
| Dec. 31 | Partly cloudy | 1° /-5° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Alamosa 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 Alamosa forecast closer to your planned date for the most up-to-date weather information.
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Alamosa in December - FAQ
What are the expected maximum and minimum temperatures in Alamosa during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Alamosa during December?
Expect minimal rainfall in Alamosa during December, with a total of 10.6 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Alamosa in December 2025?
Alamosa experiences an average snowfall of 4.8 cm during December, occurring over 2 days.
What are the typical wind conditions in Alamosa during December?
The average wind speed in Alamosa during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Alamosa snow forecast December 2025
Track daily snowfall levels and discover Alamosa’s snowy potential this December ❄️
December rainfall patterns in Alamosa
Explore the daily rainfall trends and prepare for Alamosas December weather 💧
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