Climate averages 1991–2020
Weather in Argentina in October
In October, average daytime highs across the 67 cities listed in Argentina range from 10.4°C in San Carlos de Bariloche to 30.0°C in San Ramón de la Nueva Orán. Monthly rainfall ranges from 17 mm in Comodoro Rivadavia to 216 mm in Posadas.
Long-term climate patterns, not a forecast for a particular trip.
City by city
October in Argentina
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Buenos Aires | 20.2°C13.3°C | 13.3°C | 119 | 9.8 |
| Córdoba | 23.8°C12.6°C | 12.6°C | 85 | 9.5 |
| Rosario | 23.2°C13.1°C | 13.1°C | 111 | 9.7 |
| Mar del Plata | 17.3°C9.8°C | 9.8°C | 80 | 9.0 |
| Santa Fe | 24.1°C14.4°C | 14.4°C | 132 | 9.6 |
| Avellaneda | 20.4°C13.0°C | 13.0°C | 109 | 9.3 |
| Corrientes | 26.5°C17.6°C | 17.6°C | 188 | 11.0 |
| Posadas | 26.6°C17.8°C | 17.8°C | 216 | 12.4 |
| Bahía Blanca | 20.6°C10.9°C | 10.9°C | 64 | 7.7 |
| Resistencia | 26.7°C17.7°C | 17.7°C | 180 | 10.7 |
| Merlo | 21.3°C11.9°C | 11.9°C | 111 | 9.2 |
| Quilmes | 20.3°C12.7°C | 12.7°C | 109 | 9.3 |
| Santiago del Estero | 29.3°C18.2°C | 18.2°C | 60 | 7.3 |
| Laferrere | 21.1°C11.9°C | 11.9°C | 109 | 9.1 |
| Paraná | 23.6°C14.0°C | 14.0°C | 122 | 9.3 |
| Neuquén | 22.2°C9.9°C | 9.9°C | 30 | 3.7 |
| José C. Paz | 21.2°C12.0°C | 12.0°C | 117 | 9.3 |
| Formosa, Argentina | 28.0°C18.8°C | 18.8°C | 184 | 11.5 |
| La Plata | 19.9°C12.8°C | 12.8°C | 102 | 9.5 |
| Berazategui | 20.0°C13.1°C | 13.1°C | 109 | 9.3 |
| San Luis | 23.9°C12.5°C | 12.5°C | 66 | 8.7 |
| San Miguel, Argentina | 21.0°C12.2°C | 12.2°C | 117 | 9.3 |
| Ituzaingó | 26.5°C18.2°C | 18.2°C | 210 | 12.0 |
| Catamarca | 26.6°C15.9°C | 15.9°C | 65 | 10.0 |
| Río Cuarto | 23.0°C12.5°C | 12.5°C | 84 | 9.4 |
| Moreno | 21.3°C11.8°C | 11.8°C | 111 | 9.2 |
| Concordia | 23.6°C14.2°C | 14.2°C | 139 | 9.4 |
| Comodoro Rivadavia | 16.3°C8.6°C | 8.6°C | 17 | 3.9 |
| San Nicolás de los Arroyos | 22.7°C13.3°C | 13.3°C | 112 | 9.7 |
| Isidro Casanova | 21.0°C12.1°C | 12.1°C | 109 | 9.1 |
| Rawson | 24.7°C11.2°C | 11.2°C | 21 | 3.5 |
| San Rafael | 22.7°C10.0°C | 10.0°C | 60 | 7.6 |
| Tandil | 18.9°C8.4°C | 8.4°C | 85 | 9.5 |
| Ezeiza | 20.9°C11.8°C | 11.8°C | 109 | 9.1 |
| Mendoza | 21.9°C9.9°C | 9.9°C | 43 | 6.4 |
| Lomas de Zamora | 20.6°C12.5°C | 12.5°C | 109 | 9.1 |
| San Juan, Argentina | 25.1°C11.8°C | 11.8°C | 21 | 3.5 |
| Santa Rosa, Argentina | 21.9°C11.2°C | 11.2°C | 82 | 9.6 |
| Zárate | 21.8°C12.1°C | 12.1°C | 131 | 9.3 |
| Trelew | 21.3°C9.2°C | 9.2°C | 18 | 4.1 |
| Luján | 21.6°C11.6°C | 11.6°C | 119 | 9.3 |
| Villa Mercedes, Argentina | 23.3°C12.0°C | 12.0°C | 82 | 9.6 |
| Río Gallegos | 13.6°C3.6°C | 3.6°C | 22 | 6.5 |
| Cipolletti | 22.3°C10.0°C | 10.0°C | 30 | 3.7 |
| San Carlos de Bariloche | 10.4°C2.5°C | 2.5°C | 70 | 10.2 |
| Villa María | 23.8°C13.6°C | 13.6°C | 97 | 9.1 |
| Pergamino | 22.4°C12.2°C | 12.2°C | 125 | 9.9 |
| Reconquista | 25.5°C16.2°C | 16.2°C | 148 | 10.1 |
| San Vicente | 20.9°C11.4°C | 11.4°C | 106 | 9.4 |
| Olavarría | 19.7°C9.2°C | 9.2°C | 90 | 9.2 |
| Rafaela | 24.3°C14.0°C | 14.0°C | 130 | 9.7 |
| Berisso | 19.9°C13.1°C | 13.1°C | 111 | 9.2 |
| Junín | 21.9°C11.8°C | 11.8°C | 119 | 10.0 |
| San Ramón de la Nueva Orán | 30.0°C18.6°C | 18.6°C | 66 | 8.4 |
| Campana | 21.8°C11.9°C | 11.9°C | 128 | 9.5 |
| Mar del Tuyú | 16.4°C12.3°C | 12.3°C | 85 | 9.3 |
| San Martín | 24.9°C12.5°C | 12.5°C | 20 | 3.9 |
| Presidencia Roque Sáenz Peña | 28.2°C17.8°C | 17.8°C | 134 | 10.0 |
| Pilar | 21.4°C11.8°C | 11.8°C | 119 | 9.3 |
| Bella Vista | 21.2°C12.1°C | 12.1°C | 117 | 9.3 |
| Gualeguaychú | 22.5°C13.1°C | 13.1°C | 124 | 9.8 |
| Gobernador Gálvez | 23.1°C13.3°C | 13.3°C | 111 | 9.7 |
| Necochea | 16.7°C9.9°C | 9.9°C | 73 | 8.6 |
| General Roca | 22.4°C10.3°C | 10.3°C | 36 | 4.3 |
| Venado Tuerto | 22.8°C12.6°C | 12.6°C | 111 | 9.9 |
| Don Torcuato | 20.8°C12.6°C | 12.6°C | 117 | 9.3 |
| Goya | 25.5°C16.5°C | 16.5°C | 152 | 10.2 |
A rain day is a local calendar day with at least 1 mm of precipitation.