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Weather & Climate in Río Grande, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Río Grande has a cool climate with an average annual temperature of 43°F (6°C). Winters average 52°F in January while summers reach 33°F in July / relatively mild seasonal variation. The area gets 314 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 12.2 inches (drier than the 38-inch national average). The area receives 2.4 inches of snow annually. The city sits at an elevation of 30 feet.
Temperature
52°F Jan (11°C)
33°F Jul (0°C)
| Annual Average | 42.9°F |
| 21% below US avg | |
| January Average | 52°F (11°C) |
| July Average | 33°F (0°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 4,703.1 sq mi (12,181.1 km²) |
| Population Density | 11/sq mi |
| Coordinates | -53.7877°N, 67.7098°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 | 117 km | 9 km |
| Nov 6, 2009 | 113 km NW of Ushuaia, Argentina | M4.5 | 124 km | 15 km |
| Feb 8, 2021 | 39 km SSE of Tolhuin, Argentina | M4.2 | 126 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 1.2 in | Warmest |
| February | 51°F (11°C) | 1.1 in | |
| March | 48°F (9°C) | 1.1 in | |
| April | 43°F (6°C) | 1.3 in | |
| May | 38°F (3°C) | 1.4 in | Wettest |
| June | 33°F (1°C) | 0.9 in | |
| July | 33°F (0°C) | 0.9 in | Coldest |
| August | 36°F (2°C) | 0.7 in | Driest |
| September | 39°F (4°C) | 0.7 in | |
| October | 44°F (7°C) | 0.7 in | |
| November | 47°F (9°C) | 1.1 in | |
| December | 50°F (10°C) | 1.2 in |
Río Grande has a seasonal temperature swing of 19°F / from 33°F in July to 52°F in January. Total annual precipitation is 12.3 inches, with May being the wettest month (1.4") and August the driest (0.7").