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Weather & Climate in San Antonio, Uruguay
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Antonio enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 78°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 292 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 37.7 inches. The city sits at an elevation of 171 feet.
Temperature
78°F Jan (26°C)
53°F Jul (12°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 171 ft (52 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 749/sq mi |
| Coordinates | -34.4513°N, 56.0804°W |
| Timezone | America/Montevideo |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1884 | MONTEVIDEO | Unknown | — | — | 52 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 3.9 in | Warmest |
| February | 72°F (22°C) | 3.7 in | |
| March | 69°F (21°C) | 4.3 in | Wettest |
| April | 63°F (17°C) | 4.1 in | |
| May | 57°F (14°C) | 3.9 in | |
| June | 51°F (11°C) | 3.6 in | Coldest |
| July | 53°F (12°C) | 3.4 in | Driest |
| August | 53°F (11°C) | 3.7 in | |
| September | 56°F (13°C) | 3.7 in | |
| October | 61°F (16°C) | 4.3 in | |
| November | 66°F (19°C) | 3.6 in | |
| December | 71°F (22°C) | 3.4 in |
San Antonio has a seasonal temperature swing of 27°F / from 51°F in June to 78°F in January. Total annual precipitation is 45.6 inches, with March being the wettest month (4.3") and July the driest (3.4").