Puerto Madryn weather by month
The best time to visit Puerto Madryn is December to February — 89/100 in February, 28°C and 3 rainy days. The best season is summer, December to February (87/100 on average).
The worst month is June at 58/100 — cold, dry, clean air. See June →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Argentina →
Best season: December to February (87/100 on average) · worst June (58/100)
- Days
- 28°C
- Nights
- 16°C
- Wet days
- 3
- Sun
- 11.9 h
- Humidity
- 43%
- Daylight
- 14 h
Puerto Madryn, month by month
Comfort score out of 100 for the kind of trip Puerto Madryn is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Puerto Madryn through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Puerto Madryn in February
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsArgentine summer holidays, Summer holidays in Argentina, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Puerto Madryn
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe February temperatures in this part of Chubut province commonly reaching around 30C - notably warmer than much of the rest of Patagonia at the same time of year, since this is the height of the Southern Hemisphere summer. Posters are consistent that Patagonia's weather stays genuinely unpredictable regardless of season, with real rain or strong wind always a possibility worth packing for. February does fall within the good window (October through the end of March) for visiting the nearby Punta Tombo penguin colony, a popular half-day trip from town, though posters note it isn't the right time of year for orca sightings, which cluster around a different part of the calendar.
Argentina's forum places August squarely in the colder, quieter stretch of the Patagonian season - real winter, needing a heavy coat and proper layers - but Puerto Madryn specifically stays worth the trip because whale season runs roughly June/July through early December, so August sightings are reliably good. Posters were clear the penguin colonies don't arrive until September, so anyone hoping to see both in one trip needs to time it later. September onward gets recommended as conditions across the wider region genuinely improve, but for whales alone, August already delivers.
Add your own note from Puerto Madryn's card on the map.