Climate guide for Puerto Williams, Chile

Puerto Williams in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Chile

Best time to visit Puerto Williams in December Weather, crowds & prices

Weather in Puerto Williams in December

Average temperature 7°C, 63 mm of rain, about 27 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

8.3/10

Ranked #3 of 12 months

Full year for Puerto Williams
Avg temp
7°C
Rainfall
63 mm
Humidity
77%
Days with 6h+ sun
27
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Puerto Williams scores 8.3/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 7°C, 63 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Puerto Williams is the world’s southernmost city claim-Beagle Channel light, Navarino trails, and Cape Horn approaches. Best window: November through March in the Southern Hemisphere.

December holds up well in Puerto Williams — 3rd best month

December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 63 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 17.1 hours of daylight.

It scores 8.3/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, 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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Puerto Williams in December?
In December, Puerto Williams averages 7°C, 63 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
Is December a good time to visit Puerto Williams?
December earns a 8.3/10 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 Williams in December?
Expect about 63 mm of rain in December. Average humidity is 77% and there are about 27 days with 6+ hours of sunshine.

Curated in Puerto Williams

Tickets & experiences

Things to do in Puerto Williams

Puerto Williams, Chile. Live activities and tours from GetYourGuide, matched to this destination.