Puerto Madryn weather in August

August in Puerto Madryn: cool, dry, with clean air — a good time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Puerto Madryn🇦🇷 Argentina · Patagonia · Beach68
  1. 88Jan
  2. 89Feb
  3. 84Mar
  4. 74Apr
  5. 66May
  6. 58Jun
  7. 61Jul
  8. 68Aug
  9. 75Sep
  10. 79Oct
  11. 80Nov
  12. 85Dec

#9 of 12 months in Puerto Madryn · #964 of 1413 destinations to visit in August · comfort 68/100 (tier C)

Days
15°C
Nights
5°C
Wet days
4
Sun
8 h
Humidity
56%
Daylight
11 h
Puerto Madryn, Argentina
Photo: Daro Ramos · Pexels

Traveller notes on Puerto Madryn in August

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.
PatagonianCoastRegular · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Puerto Madryn

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.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Puerto Madryn's card on the map.

Puerto Madryn climate normals — August

Daytime high15°C / 59°F🙂 cool
Nighttime low5°C / 41°F
Feels like (high)10°C / 50°F
Sea temperature11°C / 51°F🥶 cold sea
Rainfall17 mm / 0.7 in☀️ dry
Rainy days4 days
Humidity56%🍃 comfortable
Dew point0°C / 32°F
Sunshine8 h/day
Daylight10.5 h
Wind27 km/h / 17 mph
Air quality (US AQI)23🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Puerto Madryn in August

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.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Puerto Madryn's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherPuerto Madryn's weather peaks December–February.

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Best weatherFair weatherToughest weather

What's on in Puerto Madryn in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Southern right whales

    1 Jun – 15 Dec · usuallyWhale seasonBook early

    The right whales come into Golfo Nuevo to calve and stay half the year; boats go from Puerto Piramides an hour up the road, and in a good spring you can watch them from the town beach. Source ↗

What's on around the world in August →

Where is Puerto Madryn?

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Puerto Madryn in August — FAQ

Is August a good time to visit Puerto Madryn?
August in Puerto Madryn: cool, dry, with clean air — a good time to visit. It ranks #9 of 12 months for Puerto Madryn on SeasonMap's comfort score (68/100).
What is the weather like in Puerto Madryn in August?
In August, Puerto Madryn averages a daily high of 15°C and a low of 5.1°C, with about 17.2 mm of rain over roughly 3.6 rainy days.
What is the air quality in Puerto Madryn in August?
Puerto Madryn has a mean US Air Quality Index of about 23 in August.