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Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Puerto Aisén in May averages 8°C (46°F) during the day and 1°C (34°F) at night. May is part of the rainy season, so frequent rainfall is typical.
If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Pick a month to see the average temperature, rainfall and sunshine in Puerto Aisén - and find the best time to visit.
44-year average (1976-2025)
Based on our historical records, temperatures in Puerto Aisén typically stay consistent throughout May, with daily highs averaging around 8°C (46°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 5°C (41°F).
Browse day-by-day weather records for Puerto Aisén spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Puerto Aisén from 2006 through 2026.
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Cold weather calls for smart layering in May. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Puerto Aisén climate overview or explore weather in Chile.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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