December · Argentina
Best time to visit Ushuaia in December Weather, crowds & prices
Weather in Ushuaia in December
Average temperature 7°C, 63 mm of rain, about 28 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.2/10
Ranked #2 of 12 months
- Avg temp
- 7°C
- Rainfall
- 63 mm
- Humidity
- 77%
- Days with 6h+ sun
- 28
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Ushuaia scores 8.2/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 7°C, 63 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Ushuaia edges the Beagle Channel beneath the Martial range, with Tierra del Fuego park and Antarctica departures close by.
December in Ushuaia: strong conditions, 2nd of 12
December averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 63 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 17 hours of daylight.
It scores 8.2/10 here, 2nd of 12 months, against 8.4/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Ushuaia in December?
- In December, Ushuaia averages 7°C, 63 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
- Is December a good time to visit Ushuaia?
- December earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ushuaia in December?
- Expect about 63 mm of rain in December. Average humidity is 77% and there are about 28 days with 6+ hours of sunshine.
Curated in Ushuaia
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Things to do in Ushuaia
Ushuaia, Argentina. Live activities and tours from GetYourGuide, matched to this destination.