Argentina
Ushuaia in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Ushuaia in December is climatically mixed. The average daily high is around 10 °C, and the sea is about 8 °C. With about 21 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
23/100 · #2
Warmth
#3
Dryness
#11
Sun
#1
Sea warmth
#5
Published best categories: none
Ushuaia · DecemberPhoto: Parikshit Sharma Photography · CC BY-SA 4.0Climate facts
- Average high
- 10 °C
- Average low
- 3 °C
- Sea
- 8 °C
- Rainy days (est.)
- 21 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 78 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 8 | 2 | 18 | 68 | 5.9 | 79 | 5.3 | 7 | 23 |
| December (selected) | 10 | 3 | 21 | 73 | 6.8 | 78 | 5.1 | 8 | 23 |
| January | 11 | 4 | 22 | 74 | 6.4 | 79 | 5.0 | 9 | 23 |
How do the previous and next months compare?
Baseline: December (23/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | ±0 | -1.3 °C | -1.1 °C | -2.6 | -4.6 mm | -0.9 h | +1.1 % | +0.2 m/s | -0.9 °C |
| January | ±0 | +1 °C | +1 °C | +1.1 | +0.8 mm | -0.4 h | +0.5 % | -0.1 m/s | +0.8 °C |
All twelve months in context
Find a place to stay
Where to stay in Ushuaia
Compare available stays, prices and cancellation terms for Ushuaia on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Ushuaia in December?
The average daily high is around 10 °C, with an average daily low of about 3 °C.
Can you swim in Ushuaia in December?
The sea is about 8 °C (cold).
Does it rain a lot in Ushuaia in December?
The curated estimate is about 21 rainy days per month, not a directly measured long-term average. Total precipitation averages around 73 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Ushuaia?
No month in Ushuaia reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.