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Weather in San Martín de los Andes for December 2026

Your guide to San Martín de los Andes weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in San Martín de los Andes during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in San Martín de los Andes at the beginning of December is 20.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.4 °C by the end of December.

    • Rain 🌧️

  • San Martín de los Andes experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 33 mm.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
19°/1°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
65 %
Avg humidity

San Martín de los Andes Weather December

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

Temperatures trend during December in San Martín de los Andes

See the weather trend as well as the moving average line

December weather in San Martín de los Andes day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Patchy rain possible
Patchy rain possible
 17° /3° 0 mm 0 cm
2 Dec. Fog
Fog
 13° /0° 0 mm 0 cm
3 Dec. Partly cloudy
Partly cloudy
 22° /2° 0 mm 0 cm
4 Dec. Fog
Fog
 19° /1° 0 mm 0 cm
5 Dec. Mist
Mist
 20° /-1° 0 mm 0 cm
6 Dec. Sunny
Sunny
 26° /0° 0 mm 0 cm
7 Dec. Sunny
Sunny
 29° /4° 0 mm 0 cm
8 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 28° /9° 1.1 mm 0 cm
9 Dec. Patchy rain possible
Patchy rain possible
 25° /5° 1 mm 0 cm
10 Dec. Sunny
Sunny
 22° /5° 0 mm 0 cm
11 Dec. Mist
Mist
 19° /0° 0.1 mm 0 cm
12 Dec. Patchy rain possible
Patchy rain possible
 14° /1° 0.6 mm 0 cm
13 Dec. Light freezing rain
Light freezing rain
 12° /0° 2 mm 0 cm
14 Dec. Light sleet showers
Light sleet showers
 9° /0° 3.4 mm 0.2 cm
15 Dec. Light freezing rain
Light freezing rain
 8° /-1° 2.7 mm 0 cm
16 Dec. Mist
Mist
 24° /0° 0 mm 0 cm
17 Dec. Mist
Mist
 18° /0° 0 mm 0 cm
18 Dec. Mist
Mist
 22° /1° 0 mm 0 cm
19 Dec. Sunny
Sunny
 19° /0° 0.6 mm 0 cm
20 Dec. Light rain
Light rain
 9° /0° 18.3 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 16° /0° 2.7 mm 0 cm
22 Dec. Freezing fog
Freezing fog
 17° /-3° 0.4 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 16° /0° 0.1 mm 0 cm
24 Dec. Overcast
Overcast
 18° /-1° 0 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 22° /0° 0 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
 15° /1° 0 mm 0 cm
27 Dec. Partly cloudy
Partly cloudy
 20° /0° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 24° /0° 0 mm 0 cm
29 Dec. Sunny
Sunny
 23° /1° 0 mm 0 cm
30 Dec. Sunny
Sunny
 23° /2° 0 mm 0 cm
31 Dec. Sunny
Sunny
 30° /4° 0 mm 0 cm
Next
Important Notice
Our weather forecast for San Martín de los Andes 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 San Martín de los Andes forecast closer to your planned date for the most up-to-date weather information.
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San Martín de los Andes in December - FAQ

What are the expected maximum and minimum temperatures in San Martín de los Andes during December?
During December, expect a variety of temperatures with highs around 19° and lows near 1°, suitable for diverse activities and preferences.

How much rainfall should be expected in San Martín de los Andes during December?
In December, San Martín de los Andes can expect light to moderate rainfall, totaling 33 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in San Martín de los Andes in December 2026?
San Martín de los Andes typically sees 0.22 cm of snowfall during December.

What are the typical wind conditions in San Martín de los Andes during December?
The average wind speed in San Martín de los Andes during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

San Martín de los Andes snow forecast December 2026

Track daily snowfall levels and discover San Martín de los Andes’s snowy potential this December ❄️
On average, San Martín de los Andes sees 1 snowy days during December, with approximately 0.2 cm of total snowfall.

December rainfall patterns in San Martín de los Andes

Explore the daily rainfall trends and prepare for San Martín de los Andess December weather 💧
Typically, San Martín de los Andes has 6 rainy days in December with a total of 33 mm of rainfall.

UV exposure in San Martín de los Andes during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is San Martín de los Andes?

Get accurate weather forecasts for San Martín de los Andes, located at latitude -40.158 and longitude -71.353. Stay updated with localized weather information tailored for San Martín de los Andes.

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