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Weather & Climate in Primero de Mayo, Argentina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Primero de Mayo enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 80°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 317 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 10.7 inches (drier than the 38-inch national average). The city sits at an elevation of 1,808 feet.
Temperature
80°F Jan (27°C)
48°F Jul (9°C)
| Annual Average | 64.8°F |
| 20% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 1,808 ft (551 m) |
| Area | 78.0 sq mi (201.9 km²) |
| Population Density | 13/sq mi |
| Coordinates | -32.2667°N, 68.4167°W |
| Timezone | America/Argentina/Mendoza |
Precipitation & Snow
Air Quality
Earthquake History
2,826 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| Jan 19, 2021 | 26 km SW of Pocito, Argentina | M6.4 | 60 km | 21 km |
| Feb 2, 2015 | 63 km W of Villa General Roca, Argentina | M6.3 | 131 km | 172 km |
| Sep 24, 2002 | 29 km SE of Calingasta, Argentina | M6.3 | 111 km | 120 km |
| Jun 8, 1993 | 30 km SE of Calingasta, Argentina | M6.3 | 110 km | 113 km |
| Feb 27, 2010 | 40 km WSW of Villa Basilio Nievas, Argentina | M6.0 | 96 km | 40 km |
| Jun 7, 1998 | 45 km ENE of Caucete, Argentina | M5.9 | 100 km | 113 km |
| Oct 30, 1993 | 7 km SE of Caucete, Argentina | M5.8 | 65 km | 107 km |
| Jul 16, 1990 | 72 km NE of Los Andes, Chile | M5.7 | 146 km | 102 km |
| May 27, 2003 | 10 km NW of Albardón, Argentina | M5.7 | 102 km | 118 km |
| Sep 4, 1990 | 34 km ENE of Calingasta, Argentina | M5.7 | 127 km | 112 km |
| Aug 5, 2006 | 23 km WSW of San Martín, Argentina | M5.6 | 100 km | 25 km |
| Dec 21, 1990 | 79 km WNW of Mendoza, Argentina | M5.5 | 125 km | 116 km |
| May 18, 2003 | 31 km ESE of Calingasta, Argentina | M5.5 | 116 km | 114 km |
| Nov 27, 1998 | 86 km SW of Villa Basilio Nievas, Argentina | M5.5 | 87 km | 127 km |
| Jul 2, 2002 | 63 km SSW of San Agustín de Valle Fértil, Argentina | M5.5 | 139 km | 27 km |
| Jul 30, 1992 | 87 km ENE of Caucete, Argentina | M5.5 | 131 km | 5 km |
| Dec 29, 1992 | 92 km E of Caucete, Argentina | M5.4 | 123 km | 131 km |
| Jan 18, 2010 | 11 km NW of Albardón, Argentina | M5.4 | 103 km | 94 km |
| Aug 4, 1999 | 19 km E of Caucete, Argentina | M5.4 | 75 km | 115 km |
| Dec 1, 1991 | 81 km S of Calingasta, Argentina | M5.4 | 106 km | 115 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tupungatito (182 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tupungatito | Stratovolcano | 5,660 m (18,570 ft) | 1987 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 2.3 in | Warmest, Wettest |
| February | 77°F (25°C) | 1.9 in | |
| March | 72°F (22°C) | 1.4 in | |
| April | 64°F (18°C) | 0.5 in | |
| May | 56°F (13°C) | 0.3 in | |
| June | 48°F (9°C) | 0.2 in | Driest |
| July | 48°F (9°C) | 0.4 in | Coldest |
| August | 53°F (12°C) | 0.2 in | |
| September | 59°F (15°C) | 0.4 in | |
| October | 68°F (20°C) | 0.5 in | |
| November | 74°F (23°C) | 1.0 in | |
| December | 79°F (26°C) | 1.5 in |
Primero de Mayo has a seasonal temperature swing of 32°F / from 48°F in July to 80°F in January. Total annual precipitation is 10.7 inches, with January being the wettest month (2.3") and June the driest (0.2").