Ushuaia Weather in December
Ushuaia in December sees low temperatures, with highs around 11°C (52°F) and overnight lows of 3°C (37°F). Rainfall is fairly high at around 118 mm (4.6 in) on average, so pack waterproofs just in case.
Rainfall in Ushuaia in December
Expect around 11 days of rain based on historical data, with 118 mm (4.6 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Ushuaia in December
Daytime highs in Ushuaia in December reach 11°C (52°F), with nights around 3°C (37°F). December is typically considered a summer month. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Ushuaia in December
The area experiences a moderate amount of sunshine, with approximately 169 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Ushuaia in December
December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.Our weather planner can help you explore other travel 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 Ushuaia's climate page.
Ushuaia Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
37%
Precipitation
118 mm (4.6 in)
Rainy days
11 days
Humidity
74%
Windspeed
4 m/s (8 knots)
Sunshine
169 hours
Percentage Sunshine
30%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ushuaia typically stay consistent throughout December, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Ushuaia in December
Browse day-by-day weather records for Ushuaia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ushuaia historical weather extremes in December
Our historical data for Ushuaia spans 2006 to 2025, revealing these weather extremes.
- The hottest December day on record in Ushuaia reached 25°C (77°F) (December 15, 2011).
- On December 4, 2013, Ushuaia saw its coldest December day with temperatures maxing out at 3°C (37°F).
- Nighttime temperatures dropped to -2°C (28°F) on December 12, 2015, marking the coldest December night on record.
- Peak precipitation in December occurred on December 15, 2008, when 41 mm (1.6 in) of precipitation was measured.
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
What to Wear in Ushuaia in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Ushuaia 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 Ushuaia's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ushuaia climate overview or explore weather in Argentina.
