Alta
December
Weather in Alta for December 2025
Your guide to Alta weather in December - trends and predictions
The climate of Alta in December is quite snowy, averaging 11 snowy days.
In general, the average temperature in Alta at the beginning of December is -4.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of -3.1 °C by the end of December.
Snow Forecast ❄️
Temperatures
17
Dry days
3
Rainy days
11
Snow days
-1°/-13°
Temperatures
27 km/h
Avg max wind
87 %
Avg humidity
Alta Weather December
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -2° | 2  -7° | 3 -3° | 4 -3° | 5  -5° | 6 -5° | 7 -4° |
| 8  -2° | 9 -1° | 10  -3° | 11 -4° | 12  -6° | 13 -9° | 14 -13° |
| 15 -11° | 16 -6° | 17  -4° | 18  -6° | 19 -7° | 20  -2° | 21 -4° |
| 22 -6° | 23 -6° | 24 -5° | 25 -3° | 26 -1° | 27 -1° | 28 -2° |
| 29 -5° | 30 -5° | 31 -5° |
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Temperatures trend during December in Alta
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate or heavy snow showers | -2° /-10° | 4.4 mm | 3.3 cm | |
| 2 Dec. | Light freezing rain | -7° /-10° | 6.7 mm | 4.8 cm | |
| 3 Dec. | Light freezing rain | -3° /-9° | 2.6 mm | 1.8 cm | |
| 4 Dec. | Moderate or heavy snow showers | -3° /-8° | 2.1 mm | 1.5 cm | |
| 5 Dec. | Light snow | -5° /-10° | 0.3 mm | 0.2 cm | |
| 6 Dec. | Light freezing rain | -5° /-9° | 0.2 mm | 0.1 cm | |
| 7 Dec. | Light snow | -4° /-10° | 0 mm | 0 cm | |
| 8 Dec. | Overcast | -2° /-8° | 1.9 mm | 0.8 cm | |
| 9 Dec. | Overcast | -1° /-5° | 3 mm | 0.1 cm | |
| 10 Dec. | Cloudy | -3° /-6° | 3.4 mm | 0.1 cm | |
| 11 Dec. | Cloudy | -4° /-10° | 3.9 mm | 0.8 cm | |
| 12 Dec. | Partly cloudy | -6° /-9° | 3.4 mm | 0.2 cm | |
| 13 Dec. | Overcast | -9° /-15° | 0.8 mm | 0.6 cm | |
| 14 Dec. | Partly cloudy | -13° /-15° | 0 mm | 0 cm | |
| 15 Dec. | Cloudy | -11° /-16° | 0.1 mm | 0 cm | |
| 16 Dec. | Light snow | -6° /-12° | 3.9 mm | 1.8 cm | |
| 17 Dec. | Moderate or heavy snow with thunder | -4° /-11° | 5.1 mm | 2.9 cm | |
| 18 Dec. | Light snow showers | -6° /-11° | 1.1 mm | 0.4 cm | |
| 19 Dec. | Light snow | -7° /-14° | 0.9 mm | 0.6 cm | |
| 20 Dec. | Moderate snow | -2° /-9° | 2.5 mm | 1.4 cm | |
| 21 Dec. | Partly cloudy | -4° /-8° | 0.8 mm | 0.6 cm | |
| 22 Dec. | Overcast | -6° /-11° | 0.9 mm | 0.6 cm | |
| 23 Dec. | Light freezing rain | -6° /-13° | 0.7 mm | 0.4 cm | |
| 24 Dec. | Light freezing rain | -5° /-12° | 1.6 mm | 1.1 cm | |
| 25 Dec. | Light freezing rain | -3° /-11° | 1.2 mm | 0.1 cm | |
| 26 Dec. | Overcast | -1° /-9° | 2.4 mm | 0.5 cm | |
| 27 Dec. | Overcast | -1° /-8° | 5.3 mm | 1.2 cm | |
| 28 Dec. | Moderate snow | -2° /-8° | 1.7 mm | 1 cm | |
| 29 Dec. | Partly cloudy | -5° /-11° | 0.1 mm | 0 cm | |
| 30 Dec. | Light freezing rain | -5° /-11° | 0.5 mm | 0.2 cm | |
| 31 Dec. | Overcast | -5° /-9° | 1.3 mm | 0.9 cm | |
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Important Notice
Our weather forecast for Alta 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 Alta forecast closer to your planned date for the most up-to-date weather information.
Alta in December - FAQ
What are the expected maximum and minimum temperatures in Alta during December?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Alta during December?
Significant rainfall exceeding 141.5 mm is expected in Alta during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Alta in December 2025?
Alta experiences an average snowfall of 62.8 cm during December, occurring over 11 days.
What are the typical wind conditions in Alta during December?
The average wind speed in Alta during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
Alta snow forecast December 2025
Track daily snowfall levels and discover Alta’s snowy potential this December ❄️
December rainfall patterns in Alta
Explore the daily rainfall trends and prepare for Altas December weather 💧
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