Puerto Montt Weather in May
May in Puerto Montt typically sees daytime highs of 14°C (57°F) and nighttime lows of 7°C (45°F). May falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Puerto Montt in May
As part of the rainy season, Puerto Montt sees around 11 days of rain in May, with an average of 237 mm (9.3 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Puerto Montt in May
Temperatures in Puerto Montt in May top out at 14°C (57°F) and drop to 7°C (45°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Puerto Montt in May
The area sees fewer sunny days, with a projection of about 71 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.
Wind Speed in Puerto Montt in May
May sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Puerto Montt. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Puerto Montt's climate page.
Puerto Montt Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
14°C (57°F)
Chance of Rain
38%
Precipitation
237 mm (9.3 in)
Rainy days
11 days
Humidity
89%
Windspeed
4 m/s (8 knots)
Sunshine
71 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Montt typically stay consistent throughout May, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 7°C (45°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Puerto Montt in May
Browse day-by-day weather records for Puerto Montt spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Montt historical weather extremes in May
The extremes listed below come from historical weather data collected in Puerto Montt from 1976 through 2026.
- The hottest May day on record in Puerto Montt reached 22°C (72°F) (May 20, 2026).
- The lowest daytime temperature in May was 4°C (39°F), recorded on May 23, 1993.
- The coldest night in May in Puerto Montt was on May 28, 2007, with a minimum of -6°C (21°F).
Best Places in Chile in May
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
pleasant
tolerable
unpleasant
poor
What to Wear in Puerto Montt in May
Pack for changing conditions in Puerto Montt in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Puerto Montt in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Puerto Montt's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Puerto Montt climate overview or explore weather in Chile.
