Chile
Chile in December
Where it is warm, dry and good for swimming in Chile in December — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Chile in December?
- Rancagua is the warmest of the 16 destinations compared, with highs of 31°C (87°F) in December; Punta Arenas is the coolest at 14°C (57°F).
- Can you swim in the sea in Chile in December?
- Hardly: even the warmest water, at Arica (21°C (69°F)), stays below 21 °C.
Warmest
31°
Rancagua
Coolest
14°
Punta Arenas
Driest
0 mm
La Serena
Warmest sea
21°
Arica
December in Chile ranges from 14°C (57°F) in Punta Arenas to 31°C (87°F) in Rancagua — a spread of 17 degrees across the country. On average it is 2 °C (4 °F) warmer than November. Most destinations stay largely dry. Best bets this month: Valparaíso, Concepción, and Viña del Mar.
Best places in Chile in December
100 
Valparaíso
Valparaiso · Chile
23° / 13° 2 mm Dec
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100
Concepción
Biobio · Chile
22° / 10° 25 mm Dec
100
Viña del Mar
Valparaiso · Chile
24° / 13° 2 mm Dec
98
Antofagasta
Antofagasta · Chile
23° / 17° 0 mm Dec
100
La Serena
Coquimbo Region · Chile
22° / 14° 0 mm Dec
100
Talca
Maule Region · Chile
27° / 12° 13 mm Dec
100
Temuco
Araucania · Chile
23° / 9° 56 mm Dec
95
Arica
Arica y Parinacota Region · Chile
24° / 18° 0 mm Dec
Weather in December by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Valparaíso | 23° | 13° | 2 mm | — | 100 |
| Concepción | 22° | 10° | 25 mm | 14° | 100 |
| Viña del Mar | 24° | 13° | 2 mm | — | 100 |
| La Serena | 22° | 14° | 0 mm | 16° | 100 |
| Talca | 27° | 12° | 13 mm | — | 100 |
| Antofagasta | 23° | 17° | 0 mm | 19° | 98 |
| Arica | 24° | 18° | 0 mm | 21° | 95 |
| Iquique | 23° | 17° | 0 mm | 20° | 95 |
| Valdivia | 20° | 10° | 90 mm | — | 93 |
| Port Montt | 20° | 9° | 111 mm | — | 89 |
| Calama | 24° | 8° | 1 mm | — | 88 |
| Santiago | 29° | 13° | 3 mm | — | 86 |
| San Pedro de Atacama | 25° | 9° | 5 mm | — | 85 |
| Rancagua | 31° | 16° | 9 mm | — | 75 |
| Puerto Natales | 16° | 6° | 24 mm | — | 66 |
| Punta Arenas | 14° | 6° | 55 mm | 8° | 51 |
Frequently asked questions
What is the weather like in Chile in December?
Average daytime highs range from 14° in Punta Arenas to 31° in Rancagua.
Can you swim in Chile in December?
The sea is cool: the warmest water is around Arica at about 21°.