El Chaltén Weather in December
December in El Chaltén brings low temperatures, with highs of 8°C (46°F) and nights dropping to 1°C (34°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in El Chaltén in December
El Chaltén is in the rainy season in December, with rain on around 4 days and an average of 219 mm (8.6 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in El Chaltén in December
December in El Chaltén brings typical temperatures with highs around 8°C (46°F) and lows of 1°C (34°F). The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in El Chaltén in December
The month enjoys around 260 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.To explore more travel options, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our El Chaltén's climate page.
El Chaltén Temperature in December
Min Temperature
1°C (34°F)
Max Temperature
8°C (46°F)
Chance of Rain
14%
Precipitation
219 mm (8.6 in)
Rainy days
4 days
Sunshine
260 hours
Percentage Sunshine
Historical weather for El Chaltén in December
Browse day-by-day weather records for El Chaltén spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
El Chaltén historical weather extremes in December
Our historical data for El Chaltén spans 2006 to 2025, revealing these weather extremes.
- El Chaltén recorded its highest December temperature of 16°C (61°F) on December 22, 2021.
- The lowest daytime temperature in December was -1°C (30°F), recorded on December 9, 2010.
- El Chaltén registered its coldest December night on December 1, 2023, with temperatures dropping to -8°C (18°F).
- The wettest December day on record brought 69 mm (2.7 in) of precipitation to El Chaltén (December 18, 2016).
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
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What to Wear in El Chaltén in December
Dress warmly and in layers for your trip to El Chaltén in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in El Chaltén in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our El Chaltén's climate page.
See the full El Chaltén climate overview or explore weather in Argentina.
