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Weather in Alta for December 2025

Your guide to Alta weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Snow Avalanche Warning - See hour by hour.

    • Snow Forecast ❄️

  • Alta is transformed into a snow paradise in December, with more than 20 snowy days on average.
    According to Alta snow forecast for December 2025, 6 snowy days are expected until the end of the month. The closest date with snow is Tuesday, 16 December.

    • Temperatures

  • Until now, December 2025 in Alta has been nearly identical to the historical average, with a temperature of -4.6 °C (showing only a slight deviation of 0.1 °C).

  • The forecast for the coming days of December 2025 predicts a temperature of 0.6 °C , which is warmer than usual.

  • In general, the average temperature in Alta at the beginning of December is -3.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 0.9 °C by the end of December.

Average dry days
4
Dry days
Average rainy days
0
Rainy days
Average snowy days
27
Snow days
Average temperatures
-5°/-10°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Alta Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy snow showers
-1°
2
Light freezing rain
-7°
3
Light freezing rain
-4°
4
Moderate or heavy snow showers
-3°
5
Overcast
-4°
6
Light freezing rain
-5°
7
Light snow
-3°
8
Overcast
-2°
9
Overcast
-2°
10
Cloudy
-2°
11
Cloudy
-7°
12
Partly cloudy
-7°
13
Overcast
-8°
14
Partly cloudy
-10°
15
Cloudy
-7°
16
Weather Alert Overcast
-1°
17
Weather Alert Partly cloudy
-5°
18
Patchy moderate snow
-3°
19
Patchy moderate snow
-3°
20
Moderate snow
-0°
21
Light snow
1°
22
Partly cloudy
-3°
23
Partly cloudy
3°
24
Light freezing rain
3°
25
Partly cloudy
4°
26
Patchy rain possible
5°
27
Patchy rain possible
3°
28
Patchy rain possible
4°
29
Overcast
-0°
30
Light freezing rain
-5°
31
Overcast
-5°

Temperatures trend during December in Alta

See the weather trend as well as the moving average line

December weather in Alta day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-10° 3.5 mm 2.4 cm
2 Dec. Light freezing rain
Light freezing rain
 -7° /-10° 4.5 mm 3.2 cm
3 Dec. Light freezing rain
Light freezing rain
 -4° /-9° 2.1 mm 1.5 cm
4 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 -3° /-7° 2 mm 1.5 cm
5 Dec. Overcast
Overcast
 -4° /-8° 0.2 mm 0.1 cm
6 Dec. Light freezing rain
Light freezing rain
 -5° /-9° 0.2 mm 0.1 cm
7 Dec. Light snow
Light snow
 -3° /-9° 0 mm 0 cm
8 Dec. Overcast
Overcast
 -2° /-7° 1.3 mm 0.6 cm
9 Dec. Overcast
Overcast
 -2° /-5° 3.9 mm 1.4 cm
10 Dec. Cloudy
Cloudy
 -2° /-7° 2.8 mm 0.3 cm
11 Dec. Cloudy
Cloudy
 -7° /-11° 2.6 mm 0.6 cm
12 Dec. Partly cloudy
Partly cloudy
 -7° /-11° 2.3 mm 0.1 cm
13 Dec. Overcast
Overcast
 -8° /-14° 0.7 mm 0.4 cm
14 Dec. Partly cloudy
Partly cloudy
 -10° /-12° 0.8 mm 0 cm
15 Dec. Cloudy
Cloudy
 -7° /-13° 0.7 mm 0.1 cm
16 Dec. Overcast
Overcast
 -1° /-4° 0 mm 0 cm
17 Dec. Partly cloudy
Partly cloudy
 -5° /-7° 0 mm 0 cm
18 Dec. Patchy moderate snow
Patchy moderate snow
 -3° /-5° 0.6 mm 0 cm
19 Dec. Patchy moderate snow
Patchy moderate snow
 -3° /-5° 0.7 mm 0.1 cm
20 Dec. Moderate snow
Moderate snow
 0° /-1° 2.5 mm 1.8 cm
21 Dec. Light snow
Light snow
 1° /-3° 1.5 mm 1.1 cm
22 Dec. Partly cloudy
Partly cloudy
 -3° /-7° 0 mm 0 cm
23 Dec. Partly cloudy
Partly cloudy
 3° /-7° 0 mm 0 cm
24 Dec. Light freezing rain
Light freezing rain
 3° /-7° 0.1 mm 0.1 cm
25 Dec. Partly cloudy
Partly cloudy
 4° /-3° 0 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
 5° /3° 1.7 mm 0 cm
27 Dec. Patchy rain possible
Patchy rain possible
 3° /2° 1 mm 0 cm
28 Dec. Patchy rain possible
Patchy rain possible
 4° /-2° 1.1 mm 0 cm
29 Dec. Overcast
Overcast
 0° /-3° 0 mm 0 cm
30 Dec. Light freezing rain
Light freezing rain
 -5° /-11° 0.5 mm 0.2 cm
31 Dec. Overcast
Overcast
 -5° /-9° 1.3 mm 0.9 cm
Next
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.
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Alta in December - FAQ

What are the expected maximum and minimum temperatures in Alta during December?
Brace for cold days with temperatures not exceeding -5° 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?
Moderate rainfall is anticipated in Alta during December, with a total of 62.9 mm spread over approximately 0 days. Considering plans for rainy days is advisable.
Will it snow in Alta in December 2025?
Alta experiences an average snowfall of 28.3133 cm during December, occurring over 27 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 ❄️
On average, Alta sees 27 snowy days during December, with approximately 28.3 cm of total snowfall.

December rainfall patterns in Alta

Explore the daily rainfall trends and prepare for Altas December weather 💧

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Location coordinates Where is Alta?

Get accurate weather forecasts for Alta, located at latitude 69.969 and longitude 23.272. Stay updated with localized weather information tailored for Alta.

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