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Weather & Climate in San Isidro, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 78°F in January while summers reach 54°F in July / relatively mild seasonal variation. The area gets 306 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 34.0 inches. The city sits at an elevation of 52 feet.
Temperature
78°F Jan (25°C)
54°F Jul (12°C)
| Annual Average | 64.7°F |
| 20% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 7.4 sq mi (19.3 km²) |
| Population Density | 6,074/sq mi |
| Coordinates | -34.4697°N, 58.5211°W |
| Timezone | America/Argentina/Buenos_Aires |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1542 | RIO SAN JUAN | Eruption + Earthquake | — | 14 | 56 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 4.0 in | Warmest |
| February | 74°F (23°C) | 3.9 in | |
| March | 71°F (22°C) | 4.6 in | Wettest |
| April | 64°F (18°C) | 3.9 in | |
| May | 58°F (14°C) | 3.0 in | |
| June | 53°F (11°C) | 2.4 in | Coldest |
| July | 54°F (12°C) | 2.2 in | Driest |
| August | 55°F (13°C) | 2.3 in | |
| September | 58°F (14°C) | 2.8 in | |
| October | 63°F (17°C) | 4.1 in | |
| November | 68°F (20°C) | 3.9 in | |
| December | 73°F (23°C) | 3.6 in |
San Isidro has a seasonal temperature swing of 25°F / from 53°F in June to 78°F in January. Total annual precipitation is 40.6 inches, with March being the wettest month (4.6") and July the driest (2.2").