Ushuaia weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – March
What is the weather like in Ushuaia in January?
In January, Ushuaia is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 8.9 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. It rains often – on about 24 days, adding up to 130 mm. All in all, January is not an ideal month for a holiday in Ushuaia.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 7 | 8 | 7 |
| Day | 11° | 12° | 12° |
| Night | 4° | 5° | 5° |
| Sea | 8° | 9° | 9° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 24 | 24 | 19 |
More details for January
- Daylight
- 16 h 43 min05:20 – 22:03
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 77 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−3America/Argentina/Ushuaia
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Ushuaia in January: quick answers
Is Ushuaia hot in January?
No. In January, Ushuaia is cool: daytime highs average 12 °C and nights drop to about 5 °C.
Can you swim in Ushuaia in January?
Only if you don't mind cold water: in January the sea averages just 8.9 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Ushuaia in January?
It rains often – on about 24 days, adding up to 130 mm.
Ushuaia month by month
The whole year in UshuaiaAll destinations: ArgentinaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences