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San Martín de los Andes Weather in December
December in San Martín de los Andes brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 70 mm (2.8 in), so pack an umbrella.
Rainfall in San Martín de los Andes in December
Climate statistics over the past 30 years suggest around 5 days of rain, with 70 mm (2.8 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in San Martín de los Andes in December
If you're visiting San Martín de los Andes in December, expect highs of 18°C (64°F) and overnight lows around 4°C (39°F). During December, the summer season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.Should you favor a climate that's both dry and comfortably warm, January and February typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
San Martín de los Andes Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
18°C (64°F)
Chance of Rain
18%
Precipitation
70 mm (2.8 in)
Rainy days
5 days
San Martín de los Andes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Martín de los Andes - and find the best time to visit.
Historical weather records for San Martín de los Andes in December
Browse day-by-day weather records for San Martín de los Andes spanning 46 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Martín de los Andes historical weather extremes in December
Our historical data for San Martín de los Andes spans 2006 to 2025, revealing these weather extremes.
- The warmest day in December was on December 25, 2024, with a maximum of 33°C (91°F).
- The coldest December day was on December 11, 2010, with a maximum of 4°C (39°F).
- Nighttime temperatures dropped to -4°C (25°F) on December 11, 2010, marking the coldest December night on record.
Best Places in Argentina in December
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Martín de los Andes in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in San Martín de los Andes in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
San Martín de los Andes 3-Day Forecast
More climate data for San Martín de los Andes
See the full San Martín de los Andes climate overview or explore weather in Argentina.
Popular in December
Where to go in December - average daytime high across popular destinations.
Córdoba
30°C (86°F) Mendoza
30°C (86°F) Buenos Aires29°C (84°F) Villa Carlos Paz
27°C (81°F) Salta25°C (77°F) Mar del Plata24°C (75°F) San Martín de los Andes
18°C (64°F) San Carlos de Bariloche18°C (64°F) Bucket list
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