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Weather & Climate in Rosario, Uruguay
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rosario enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 75°F in January while summers reach 51°F in July / relatively mild seasonal variation. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 45.2 inches. The city sits at an elevation of 85 feet.
Temperature
75°F Jan (24°C)
51°F Jul (11°C)
| Annual Average | 62.6°F |
| 16% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 2,778/sq mi |
| Coordinates | -34.3167°N, 57.3500°W |
| Timezone | America/Montevideo |
Precipitation & Snow
Air Quality
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1884 | MONTEVIDEO | Unknown | — | — | 127 km |
| 1542 | RIO SAN JUAN | Eruption + Earthquake | — | 14 | 57 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 3.9 in | Warmest |
| February | 73°F (23°C) | 4.3 in | |
| March | 70°F (21°C) | 4.9 in | Wettest |
| April | 63°F (17°C) | 3.8 in | |
| May | 57°F (14°C) | 3.6 in | |
| June | 52°F (11°C) | 3.0 in | Driest |
| July | 51°F (11°C) | 3.0 in | Coldest |
| August | 54°F (12°C) | 3.0 in | |
| September | 56°F (14°C) | 3.4 in | |
| October | 62°F (16°C) | 4.5 in | |
| November | 67°F (19°C) | 3.9 in | |
| December | 72°F (22°C) | 3.9 in |
Rosario has a seasonal temperature swing of 24°F / from 51°F in July to 75°F in January. Total annual precipitation is 45.2 inches, with March being the wettest month (4.9") and June the driest (3.0").