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Weather & Climate in Ushuaia, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ushuaia has a cool climate with an average annual temperature of 39°F (4°C). Winters average 46°F in January while summers reach 31°F in July / relatively mild seasonal variation. The area gets 296 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 22.1 inches (drier than the 38-inch national average). The area receives 8.3 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
46°F Jan (8°C)
31°F Jul (-1°C)
| Annual Average | 38.5°F |
| 29% below US avg | |
| January Average | 46°F (8°C) |
| July Average | 31°F (-1°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 8.9 sq mi (23.0 km²) |
| Population Density | 6,399/sq mi |
| Coordinates | -54.8108°N, 68.3159°W |
| Timezone | America/Argentina/Ushuaia |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jan 9, 2006 | 84 km NW of Ushuaia, Argentina | M4.6 | 85 km | 9 km |
| Nov 6, 2009 | 113 km NW of Ushuaia, Argentina | M4.5 | 113 km | 15 km |
| Feb 8, 2021 | 39 km SSE of Tolhuin, Argentina | M4.2 | 93 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 2.2 in | Warmest, Wettest |
| February | 45°F (7°C) | 1.9 in | |
| March | 43°F (6°C) | 2.1 in | |
| April | 39°F (4°C) | 2.0 in | |
| May | 35°F (1°C) | 1.9 in | |
| June | 31°F (-1°C) | 1.9 in | |
| July | 31°F (-1°C) | 1.8 in | Coldest |
| August | 32°F (0°C) | 1.5 in | |
| September | 35°F (2°C) | 1.2 in | Driest |
| October | 39°F (4°C) | 1.4 in | |
| November | 42°F (6°C) | 2.1 in | |
| December | 44°F (7°C) | 2.1 in |
Ushuaia has a seasonal temperature swing of 15°F / from 31°F in July to 46°F in January. Total annual precipitation is 22.1 inches, with January being the wettest month (2.2") and September the driest (1.2").