Puerto Madryn, on Argentina’s Patagonian coast, features a dry, windy climate with warm, sunny summers and cool, crisp winters. The city experiences minimal rainfall, significant seasonal temperature swings, and frequent breezes. With long daylight hours in summer and mild conditions for much of the year, Puerto Madryn is a year-round destination for wildlife, beaches, and outdoor adventure.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Puerto Madryn’s climate is shaped by its coastal Patagonian location, resulting in four distinct seasons, low humidity, and very little rainfall. Summers (December–February) are warm and mostly clear, with average highs of 27–30°C and lows of 12–15°C. January is the hottest month, with up to 9–10 hours of sunshine daily and minimal rainfall – just 10–17 mm over 2–3 days per month. Humidity is low (48–54%), and brisk winds from the west or southwest are common, keeping the air fresh and moderating the heat. The sea is coolest in early summer but warms to around 18–20°C by late January, suitable for hardy swimmers.
Winters (June–August) are cool and dry, with average highs of 13–15°C and lows of 2–4°C. July is the coldest month, with nighttime temperatures sometimes dropping near freezing. Rainfall remains low, with 14–18 mm over 3–4 days per month, and humidity peaks at 62–67%. Sunshine is limited to 4–5 hours per day, but skies are often partly cloudy rather than overcast. Spring (September–November) and autumn (March–May) are transitional, with mild to warm temperatures (16–25°C), low rainfall, and frequent breezes. Winds are strongest in spring, averaging 18–25 km/h, and can make conditions feel cooler. Annual precipitation is just 170–250 mm, making Puerto Madryn one of Argentina’s driest cities. The area enjoys long daylight hours in summer, with short, crisp days in winter.
| Average climate data for Puerto Madryn, Argentina | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 28 | 27 | 24 | 21 | 16 | 13 | 13 | 15 | 17 | 20 | 24 | 26 | 28 |
| Average minimum temperature (°C) | 14 | 13 | 11 | 8 | 5 | 3 | 2 | 3 | 4 | 7 | 10 | 12 | 2 |
| Average precipitation (mm) | 10 | 14 | 17 | 12 | 24 | 14 | 17 | 11 | 14 | 18 | 10 | 13 | 173 |
| Average relative humidity (%) | 48 | 54 | 54 | 57 | 62 | 66 | 63 | 60 | 57 | 60 | 51 | 47 | 57 |
| Average water temperature (°C) | 17 | 18 | 17 | 15 | 13 | 11 | 10 | 10 | 10 | 11 | 13 | 15 | 13 |
| Average daily daylight hours (h) | 14 | 13 | 12 | 10 | 9 | 9 | 9 | 10 | 11 | 13 | 14 | 15 | 12 |
| Average daily sunshine hours (h) | 9 | 9 | 7 | 5 | 4 | 3 | 4 | 4 | 6 | 7 | 8 | 8 | 6 |
The best time to visit Puerto Madryn is from September to April, when temperatures are mild to warm (18–30°C), rainfall is minimal, and wildlife viewing (especially whales and penguins) is at its peak. These months offer ideal conditions for beaches, outdoor adventures, and enjoying the city’s vibrant marine life and long daylight hours.
The least favourable time to visit is from June to August, when temperatures are lowest, days are shortest, and strong winds can make outdoor activities less comfortable. While winter is dry and peaceful, the cool, breezy conditions and limited sunshine may not appeal to all travellers, though wildlife excursions are still possible.
Puerto Madryn has a dry, windy climate with warm, sunny summers and cool, crisp winters. Rainfall is very low year-round, and the city experiences significant temperature swings and frequent breezes.
The best time to visit is from September to April, when the weather is mild to warm, rainfall is minimal, and wildlife watching (especially whales and penguins) is at its best.
No, Puerto Madryn is one of Argentina’s driest cities, with annual precipitation between 170–250 mm. Rain is rare, and most months see only 2–4 rainy days.
Summer highs in Puerto Madryn typically reach 27–30°C, with January being the warmest month. Evenings are cooler, and brisk winds are common, making the heat comfortable.
Winter highs are 13–15°C, with nighttime lows around 2–4°C. Frost is possible, but snow is rare. Winds can make it feel colder, especially in July and August.
Yes, Puerto Madryn is known for its frequent and sometimes strong winds, especially in spring and winter. Winds average 18–25 km/h and can make conditions feel cooler than the actual temperature.
Pack layers for changing temperatures, sun protection for strong UV, and a windproof jacket for breezy days. Rain gear is rarely needed. In winter, bring warm clothing for chilly mornings and evenings.
The warmest month, with the highest average maximum temperature, is January (27.5 °C). The month with the lowest average maximum temperature is July (12.8 °C). Overall, the average maximum temperature over the whole year is 20.2 °C.
The month with the highest average minimum temperature is January (13.8 °C). The coldest month, with the lowest average minimum temperature, is July (2 °C). Overall, the average minimum temperature over the whole year is 7.7 °C.
The month with the highest average water temperature is February (17.8 °C). The month with the lowest average water temperature is August (9.6 °C). Overall, the average water temperature over the whole year is 13.3 °C.
The wettest month, with the highest amount of precipitation, is May (23.5 mm). The driest month, with the least amount of precipitation, is November (10 mm). Over the whole year there are 172.8 mm of rainfall on average.
The month with the highest average relative humidity is June (66.4 %). The month with the lowest average relative humidity is December (47.3 %). The overall average relative humidity over the whole year is 56.7 %.
The month with the longest days, so the most daylight, is December (Average daylight: 15 h). The month with the shortest days, so the least daylight, is June (Average daylight: 9 h). Over the whole year there are 11.6 h of daylight per day on average.
The month with the most sunshine per day is January (Average sunshine: 9 h). The month with the least sunshine per day is June (Average sunshine: 3 h). Over the whole year there are 6.2 h of sunlight per day on average.
