December in Los Glaciares National Park typically sees daytime highs of 8°C (46°F) and nighttime lows of 1°C (34°F). As the wettest month of the year, expect more rainfall than other months.
If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
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Pick a month to see the average temperature, rainfall and sunshine in Los Glaciares National Park - and find the best time to visit.
46-year average (1977-2025)
Based on our historical records, temperatures in Los Glaciares National Park typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).
Browse day-by-day weather records for Los Glaciares National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Los Glaciares National Park from 2003 through 2025.
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 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).
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Los Glaciares National Park climate overview or explore weather in Argentina.
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) Need travel inspiration? Check out our bucket list articles and be inspired.
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