Ushuaia weather in December
December in Ushuaia: cool, rainy, with clean air — a fair time to visit.
#10 of 12 months in Ushuaia · #462 of 604 destinations to visit in December · comfort 53/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Ushuaia climate normals — December
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 42°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 21 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 4°C / 39°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 17.2 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 5.5 cm / 2.2 in | |
| Air quality (US AQI) | 14 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ushuaia?
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Ushuaia in December — FAQ
- Is December a good time to visit Ushuaia?
- December in Ushuaia: cool, rainy, with clean air — a fair time to visit. It ranks #10 of 12 months for Ushuaia on SeasonMap's comfort score (53/100).
- What is the weather like in Ushuaia in December?
- In December, Ushuaia averages a daily high of 12.8°C and a low of 5.4°C, with about 94.6 mm of rain over roughly 21 rainy days.
- What is the air quality in Ushuaia in December?
- Ushuaia has a mean US Air Quality Index of about 14 in December.
- Does it snow in Ushuaia in December?
- Ushuaia sees roughly 5.5 cm of snowfall in December.