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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 Average64.7°F
20% above US avg
January Average78°F (25°C)
July Average54°F (12°C)
Sunny Days306 days/yr

Geography

Elevation52 ft (16 m)
Area7.4 sq mi (19.3 km²)
Population Density6,074/sq mi
Coordinates-34.4697°N, 58.5211°W
TimezoneAmerica/Argentina/Buenos_Aires

Precipitation & Snow

Annual Rainfall 34.0"
11% below US avg
Snowfall 0.0"
Wettest Month (Mar) 4.61"
Driest Month (Jul) 2.17"

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").

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