Puerto Montt Weather in August
August in Puerto Montt brings moderate temperatures, with daytime highs of 12°C (54°F) and nights around 5°C (41°F). It's part of the rainy season, with 251 mm (9.9 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Puerto Montt in August
As part of the rainy season, Puerto Montt sees around 11 days of rain in August, with an average of 251 mm (9.9 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Puerto Montt in August
In August, expect moderate temperatures in Puerto Montt, with highs of 12°C (54°F) and lows of 5°C (41°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Puerto Montt in August
This month sees fewer sunny days, with about 95 hours of sunshine, perfect for those who enjoy cooler temperatures.
Wind Speed in Puerto Montt in August
In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.If you prefer dry days with pleasant temperatures, August 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 August
Min Temperature
5°C (41°F)
Max Temperature
12°C (54°F)
Chance of Rain
36%
Precipitation
251 mm (9.9 in)
Rainy days
11 days
Humidity
88%
Windspeed
4 m/s (8 knots)
Sunshine
95 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Montt typically stay consistent throughout August, with daily highs averaging around 12°C (54°F). Nights are cold, with lows around 4°C (39°F).
Average temperatures in August
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 August
Historical weather for Puerto Montt in August
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 August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Puerto Montt.
- The hottest August day on record in Puerto Montt reached 20°C (68°F) (August 30, 2025).
- The coldest August day was on August 2, 1992, with a maximum of 1°C (34°F).
- Puerto Montt registered its coldest August night on August 3, 2010, with temperatures dropping to -5°C (23°F).
Best Places in Chile in August
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in August →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Puerto Montt in August
The weather can swing between comfortable and chilly in August, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Puerto Montt in August
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.
