December · Argentina
Best time to visit Puerto Madryn in December Weather, crowds & prices
Weather in Puerto Madryn in December
Average temperature 19°C, 22 mm of rain, about 31 days with 6+ hours of sunshine and 49% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
10.0/10
Ranked #4 of 12 months
- Avg temp
- 19°C
- Rainfall
- 22 mm
- Humidity
- 49%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Puerto Madryn scores 10.0/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 19°C, 22 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Puerto Madryn is the base for Península Valdés's whales, sea lions and elephant seals.
December ranks 4th of 12 for Puerto Madryn — one of the best windows
Temperatures hover around 19°C (66°F) — the kind of month where neither heat nor cold forces the schedule.
With around 22 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 15.1 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Puerto Madryn at 10/10 (4th of 12), just behind February at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.
Budget for peak pricing, and this is one of the busiest months here.
Frequently asked
- What is the weather like in Puerto Madryn in December?
- In December, Puerto Madryn averages 19°C, 22 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
- Is December a good time to visit Puerto Madryn?
- December earns a 10.0/10 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 Madryn in December?
- Expect about 22 mm of rain in December. Average humidity is 49% and there are about 31 days with 6+ hours of sunshine.
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