Climate averages 1991–2020
Weather in Argentina in May
In May, average daytime highs across the 67 cities listed in Argentina range from 7.9°C in San Carlos de Bariloche to 23.0°C in Formosa, Argentina. Monthly rainfall ranges from 10 mm in Rawson to 143 mm in Posadas.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Argentina
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Buenos Aires | 17.2°C11.5°C | 11.5°C | 72 | 6.8 |
| Córdoba | 18.8°C9.6°C | 9.6°C | 35 | 6.3 |
| Rosario | 18.8°C11.1°C | 11.1°C | 66 | 6.0 |
| Mar del Plata | 15.7°C9.9°C | 9.9°C | 49 | 6.8 |
| Santa Fe | 19.7°C12.3°C | 12.3°C | 74 | 6.1 |
| Avellaneda | 17.3°C11.2°C | 11.2°C | 63 | 6.0 |
| Corrientes | 21.9°C14.8°C | 14.8°C | 108 | 8.2 |
| Posadas | 22.1°C14.8°C | 14.8°C | 143 | 9.1 |
| Bahía Blanca | 16.7°C9.2°C | 9.2°C | 38 | 5.4 |
| Resistencia | 22.0°C14.8°C | 14.8°C | 102 | 8.1 |
| Merlo | 18.0°C10.0°C | 10.0°C | 62 | 6.2 |
| Quilmes | 17.3°C11.0°C | 11.0°C | 63 | 6.0 |
| Santiago del Estero | 22.4°C14.3°C | 14.3°C | 22 | 4.6 |
| Laferrere | 17.8°C10.1°C | 10.1°C | 61 | 6.0 |
| Paraná | 19.2°C12.1°C | 12.1°C | 70 | 5.8 |
| Neuquén | 16.0°C6.7°C | 6.7°C | 26 | 5.1 |
| José C. Paz | 17.9°C10.0°C | 10.0°C | 65 | 6.0 |
| Formosa, Argentina | 23.0°C15.6°C | 15.6°C | 128 | 8.4 |
| La Plata | 17.0°C11.2°C | 11.2°C | 60 | 6.1 |
| Berazategui | 17.1°C11.4°C | 11.4°C | 63 | 6.0 |
| San Luis | 18.6°C9.1°C | 9.1°C | 25 | 4.2 |
| San Miguel, Argentina | 17.8°C10.3°C | 10.3°C | 65 | 6.0 |
| Ituzaingó | 22.1°C15.3°C | 15.3°C | 134 | 8.8 |
| Catamarca | 19.4°C9.6°C | 9.6°C | 37 | 6.9 |
| Río Cuarto | 18.3°C9.4°C | 9.4°C | 34 | 4.8 |
| Moreno | 18.0°C9.9°C | 9.9°C | 62 | 6.2 |
| Concordia | 19.7°C12.1°C | 12.1°C | 104 | 7.3 |
| Comodoro Rivadavia | 12.8°C7.3°C | 7.3°C | 29 | 4.9 |
| San Nicolás de los Arroyos | 18.7°C11.5°C | 11.5°C | 66 | 6.0 |
| Isidro Casanova | 17.8°C10.2°C | 10.2°C | 61 | 6.0 |
| Rawson | 19.3°C7.1°C | 7.1°C | 10 | 2.6 |
| San Rafael | 17.1°C6.5°C | 6.5°C | 31 | 5.0 |
| Tandil | 15.5°C7.4°C | 7.4°C | 42 | 5.6 |
| Ezeiza | 17.8°C10.0°C | 10.0°C | 61 | 6.0 |
| Mendoza | 15.5°C6.4°C | 6.4°C | 30 | 6.1 |
| Lomas de Zamora | 17.5°C10.6°C | 10.6°C | 61 | 6.0 |
| San Juan, Argentina | 19.6°C7.6°C | 7.6°C | 10 | 2.6 |
| Santa Rosa, Argentina | 17.0°C8.6°C | 8.6°C | 30 | 5.0 |
| Zárate | 18.2°C10.1°C | 10.1°C | 70 | 5.8 |
| Trelew | 15.8°C6.5°C | 6.5°C | 23 | 4.0 |
| Luján | 18.2°C9.8°C | 9.8°C | 66 | 5.9 |
| Villa Mercedes, Argentina | 18.5°C8.8°C | 8.8°C | 29 | 4.6 |
| Río Gallegos | 7.9°C1.3°C | 1.3°C | 26 | 5.9 |
| Cipolletti | 16.2°C6.8°C | 6.8°C | 26 | 5.1 |
| San Carlos de Bariloche | 7.9°C2.8°C | 2.8°C | 119 | 12.9 |
| Villa María | 18.7°C11.0°C | 11.0°C | 44 | 4.7 |
| Pergamino | 18.5°C10.2°C | 10.2°C | 66 | 6.4 |
| Reconquista | 21.0°C13.7°C | 13.7°C | 82 | 6.9 |
| San Vicente | 17.7°C9.7°C | 9.7°C | 59 | 6.1 |
| Olavarría | 16.0°C7.7°C | 7.7°C | 47 | 5.7 |
| Rafaela | 19.6°C11.5°C | 11.5°C | 65 | 6.1 |
| Berisso | 17.1°C11.5°C | 11.5°C | 72 | 6.8 |
| Junín | 18.1°C9.8°C | 9.8°C | 62 | 6.3 |
| San Ramón de la Nueva Orán | 21.6°C14.5°C | 14.5°C | 31 | 5.9 |
| Campana | 18.3°C9.9°C | 9.9°C | 68 | 5.9 |
| Mar del Tuyú | 15.6°C12.1°C | 12.1°C | 60 | 7.1 |
| San Martín | 17.8°C8.1°C | 8.1°C | 12 | 2.6 |
| Presidencia Roque Sáenz Peña | 22.5°C14.5°C | 14.5°C | 59 | 7.4 |
| Pilar | 18.1°C9.9°C | 9.9°C | 66 | 5.9 |
| Bella Vista | 17.9°C10.2°C | 10.2°C | 65 | 6.0 |
| Gualeguaychú | 18.9°C11.1°C | 11.1°C | 80 | 6.1 |
| Gobernador Gálvez | 18.8°C11.3°C | 11.3°C | 66 | 6.0 |
| Necochea | 15.6°C10.5°C | 10.5°C | 53 | 7.4 |
| General Roca | 16.3°C7.1°C | 7.1°C | 27 | 4.9 |
| Venado Tuerto | 18.5°C10.2°C | 10.2°C | 59 | 5.5 |
| Don Torcuato | 17.7°C10.8°C | 10.8°C | 65 | 6.0 |
| Goya | 21.0°C14.0°C | 14.0°C | 92 | 7.4 |
A rain day is a local calendar day with at least 1 mm of precipitation.