December · Chile
Best time to visit Puerto Aysén in December Weather, crowds & prices
Weather in Puerto Aysén in December
Average temperature 10°C, 36 mm of rain, about 26 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.1/10
Ranked #3 of 12 months
- Avg temp
- 10°C
- Rainfall
- 36 mm
- Humidity
- 74%
- Days with 6h+ sun
- 26
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Puerto Aysén scores 9.1/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 10°C, 36 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Puerto Aysén is a rainy fjord town near Coyhaique-river bridges, green hills, and boat access deeper into Aysén. Best window: November through March in the Southern Hemisphere.
December is one of the strongest months in Puerto Aysén (3rd)
December averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 26 days with 6+ hours of sunshine and 15.5 daylight hours.
A 9.1/10 puts this among the year's best months in Puerto Aysén (3rd of 12); only January scores higher, at 9.6/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Puerto Aysén in December?
- In December, Puerto Aysén averages 10°C, 36 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is December a good time to visit Puerto Aysén?
- December earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Puerto Aysén in December?
- Expect about 36 mm of rain in December. Average humidity is 74% and there are about 26 days with 6+ hours of sunshine.
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