Punta Arenas weather in December
December in Punta Arenas: cool, rainy, with clean air — fine if you can take 19 rainy days.
#3 of 12 months in Punta Arenas · #289 of 897 destinations to visit in December · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Punta Arenas in December
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Punta Arenas climate normals — December
| Daytime high | 12°C / 54°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Rainfall | 85 mm / 3.3 in | 🌧 rainy |
| Rainy days | 19 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 3°C / 38°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 16.9 h | |
| Wind | 33 km/h / 20 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 16 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Punta Arenas in December — FAQ
- Is December a good time to visit Punta Arenas?
- December in Punta Arenas: cool, rainy, with clean air — fine if you can take 19 rainy days. It ranks #3 of 12 months for Punta Arenas on SeasonMap's comfort score (80/100).
- What is the weather like in Punta Arenas in December?
- In December, Punta Arenas averages a daily high of 12.2°C and a low of 6.7°C, with about 84.5 mm of rain over roughly 19.4 rainy days.
- What is the air quality in Punta Arenas in December?
- Punta Arenas has a mean US Air Quality Index of about 16 in December.