Weather & Climate in Mercedes, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mercedes enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 76°F in January while summers reach 52°F in July / relatively mild seasonal variation. Annual precipitation totals 44.6 inches. The city sits at an elevation of 131 feet.
Temperature
76°F Jan (25°C)
52°F Jul (11°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 52°F (11°C) |
Geography
| Elevation | 131 ft (40 m) |
| Area | 15.9 sq mi (41.2 km²) |
| Population Density | 3,978/sq mi |
| Coordinates | 34.6507°S, 59.4314°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 | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 4.5 in | Warmest |
| February | 74°F (23°C) | 3.9 in | |
| March | 70°F (21°C) | 4.7 in | Wettest |
| April | 63°F (17°C) | 4.6 in | |
| May | 57°F (14°C) | 3.3 in | |
| June | 53°F (12°C) | 3.2 in | |
| July | 52°F (11°C) | 2.1 in | Coldest, Driest |
| August | 55°F (13°C) | 2.1 in | |
| September | 58°F (14°C) | 3.2 in | |
| October | 63°F (17°C) | 4.5 in | |
| November | 69°F (21°C) | 4.3 in | |
| December | 73°F (23°C) | 4.3 in |
Mercedes has a seasonal temperature swing of 24°F / from 52°F in July to 76°F in January. Total annual precipitation is 44.6 inches, with March being the wettest month (4.7") and July the driest (2.1").