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Weather in Alamosa, Colorado for December 2025

Your guide to Alamosa weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Alamosa usually enjoys a light touch of snow in December.
    According to Alamosa snow forecast for December 2025, 1 snowy day is expected until the end of the month at Sunday, December 28.

    • Temperatures

  • Until now, December 2025 in Alamosa has been nearly identical to the historical average, with a temperature of 4.3 °F (showing only a slight deviation of 0.4 °F).

  • Expect cooler weather in the next days in Alamosa with the forecast suggesting a temperature of 7.3 °F, lower than the historical average.

  • In general, the average temperature in Alamosa at the beginning of December is 4.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 7 °F by the end of December.

    • Rain 🌧️

  • Precipitation in Alamosa during December is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
28
Dry days
Average rainy days
1
Rainy days
Average snowy days
2
Snow days
Average temperatures
3°/-7°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Alamosa Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
4°
2
Sunny
6°
3
Partly cloudy
3°
4
Overcast
3°
5
Sunny
4°
6
Sunny
6°
7
Sunny
3°
8
Cloudy
3°
9
Moderate or heavy snow showers
2°
10
Sunny
-1°
11
Partly cloudy
1°
12
Partly cloudy
4°
13
Sunny
4°
14
Cloudy
4°
15
Sunny
6°
16
Overcast
4°
17
Overcast
7°
18
Overcast
4°
19
Overcast
7°
20
Sunny
5°
21
Sunny
13°
22
Sunny
13°
23
Sunny
9°
24
Sunny
10°
25
Sunny
10°
26
Sunny
9°
27
Sunny
9°
28
Patchy rain possible
9°
29
Patchy rain possible
6°
30
Partly cloudy
3°
31
Sunny
3°

Temperatures trend during December in Alamosa

See the weather trend as well as the moving average line

December weather in Alamosa day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 4° /-6° 2 mm 1.4 cm
Dec. 2 Sunny
Sunny
 6° /-6° 0 mm 0 cm
Dec. 3 Partly cloudy
Partly cloudy
 3° /-5° 0 mm 0 cm
Dec. 4 Overcast
Overcast
 3° /-6° 0 mm 0 cm
Dec. 5 Sunny
Sunny
 4° /-8° 0 mm 0 cm
Dec. 6 Sunny
Sunny
 6° /-6° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 3° /-7° 0 mm 0 cm
Dec. 8 Cloudy
Cloudy
 3° /-8° 0 mm 0 cm
Dec. 9 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-8° 2.5 mm 1.7 cm
Dec. 10 Sunny
Sunny
 -1° /-10° 1.1 mm 0.7 cm
Dec. 11 Partly cloudy
Partly cloudy
 1° /-10° 0 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
 4° /-9° 0 mm 0 cm
Dec. 13 Sunny
Sunny
 4° /-8° 0 mm 0 cm
Dec. 14 Cloudy
Cloudy
 4° /-9° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 6° /-5° 0 mm 0 cm
Dec. 16 Overcast
Overcast
 4° /-8° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 7° /-6° 0 mm 0 cm
Dec. 18 Overcast
Overcast
 4° /-7° 0 mm 0 cm
Dec. 19 Overcast
Overcast
 7° /-6° 0 mm 0 cm
Dec. 20 Sunny
Sunny
 5° /-8° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 13° /-4° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 13° /-4° 0 mm 0 cm
Dec. 23 Sunny
Sunny
 9° /-3° 0 mm 0 cm
Dec. 24 Sunny
Sunny
 10° /-1° 0 mm 0 cm
Dec. 25 Sunny
Sunny
 10° /3° 0.1 mm 0 cm
Dec. 26 Sunny
Sunny
 9° /0° 0 mm 0 cm
Dec. 27 Sunny
Sunny
 9° /-2° 0 mm 0 cm
Dec. 28 Patchy rain possible
Patchy rain possible
 9° /3° 0.6 mm 0.1 cm
Dec. 29 Patchy rain possible
Patchy rain possible
 6° /0° 1.6 mm 0 cm
Dec. 30 Partly cloudy
Partly cloudy
 3° /-2° 0 mm 0 cm
Dec. 31 Sunny
Sunny
 3° /-5° 0 mm 0 cm
Next
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 3° 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 1 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Alamosa in December 2025?
Alamosa experiences an average snowfall of 4.77 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 ❄️
On average, Alamosa sees 2 snowy days during December, with approximately 4.8 cm of total snowfall.

December rainfall patterns in Alamosa

Explore the daily rainfall trends and prepare for Alamosas December weather 💧
Typically, Alamosa has 1 rainy days in December with a total of 10.6 mm of rainfall.

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Location coordinates Where is Alamosa?

Get accurate weather forecasts for Alamosa, located at latitude 37.469 and longitude -105.87. Stay updated with localized weather information tailored for Alamosa.

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