Climate averages 1991–2020
Weather in Chile in December
In December, average daytime highs across the 40 cities listed in Chile range from 11.4°C in Punta Arenas to 28.7°C in Ovalle. Monthly rainfall ranges from under 1 mm in Ovalle to 137 mm in Puerto Montt.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Chile
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Santiago | 26.2°C14.1°C | 14.1°C | 6.3 | 1.0 |
| Puente Alto | 25.9°C13.2°C | 13.2°C | 25 | 6.7 |
| Maipú | 27.3°C14.1°C | 14.1°C | 6.3 | 1.0 |
| Antofagasta | 21.4°C14.8°C | 14.8°C | 1.9 | 0.2 |
| Viña del Mar | 22.4°C14.1°C | 14.1°C | 2.5 | 0.3 |
| Valparaíso | 19.9°C14.9°C | 14.9°C | 2.8 | 0.3 |
| San Bernardo | 27.2°C13.9°C | 13.9°C | 6.3 | 1.0 |
| Puerto Montt | 17.2°C10.3°C | 10.3°C | 137 | 13.7 |
| Arica | 24.7°C17.2°C | 17.2°C | 4.7 | 0.8 |
| Peñalolén | 24.9°C13.6°C | 13.6°C | 25 | 6.7 |
| Temuco | 21.2°C9.6°C | 9.6°C | 59 | 6.8 |
| Concepción | 22.6°C12.3°C | 12.3°C | 16 | 2.7 |
| Rancagua | 26.2°C13.8°C | 13.8°C | 13 | 2.0 |
| Quilicura | 26.7°C14.8°C | 14.8°C | 13 | 2.2 |
| Iquique (approximate) | 25.8°C18.3°C | 18.3°C | 0.6 | 0.1 |
| Talca | 27.6°C13.2°C | 13.2°C | 13 | 1.6 |
| Calama | 25.2°C7.5°C | 7.5°C | 1.3 | 0.3 |
| Coquimbo | 23.1°C15.8°C | 15.8°C | 0.5 | 0.1 |
| La Serena | 24.6°C16.6°C | 16.6°C | 0.5 | 0.1 |
| Talcahuano | 20.7°C12.3°C | 12.3°C | 16 | 2.7 |
| Chillán | 25.4°C11.6°C | 11.6°C | 22 | 2.4 |
| Colina | 27.9°C16.3°C | 16.3°C | 13 | 2.2 |
| Alto Hospicio | 23.2°C15.0°C | 15.0°C | 0.9 | 0.3 |
| Osorno | 19.2°C9.6°C | 9.6°C | 67 | 8.2 |
| Valdivia | 19.3°C11.0°C | 11.0°C | 70 | 7.8 |
| Villa Mercedes, Chile | 22.5°C10.3°C | 10.3°C | 52 | 4.7 |
| Quilpué | 22.8°C13.5°C | 13.5°C | 2.5 | 0.3 |
| Copiapó | 28.6°C17.0°C | 17.0°C | 0.5 | 0.1 |
| Los Ángeles | 24.2°C11.2°C | 11.2°C | 30 | 3.9 |
| San Pedro de la Paz | 21.2°C12.4°C | 12.4°C | 16 | 2.7 |
| Punta Arenas | 11.4°C6.1°C | 6.1°C | 88 | 20.7 |
| Coronel | 22.2°C12.6°C | 12.6°C | 21 | 3.2 |
| Curicó | 26.8°C13.4°C | 13.4°C | 15 | 1.6 |
| Lampa | 28.5°C15.3°C | 15.3°C | 6.0 | 1.0 |
| San Antonio, Chile | 20.4°C13.2°C | 13.2°C | 2.9 | 0.4 |
| Peñaflor | 28.0°C14.0°C | 14.0°C | 4.8 | 0.6 |
| Chiguayante | 23.0°C12.4°C | 12.4°C | 22 | 3.0 |
| Ovalle | 28.7°C15.6°C | 15.6°C | 0.3 | 0.1 |
| Padre Las Casas | 20.7°C9.3°C | 9.3°C | 59 | 6.8 |
| Paine | 28.1°C15.1°C | 15.1°C | 6.5 | 1.2 |
A rain day is a local calendar day with at least 1 mm of precipitation.