The highest day temperature in August 2025 was 59°F. The lowest night temperature was 33°F. The average values for day and night temperatures during August were 51.5°F и 43.7°F respectivly.

The average sea surface temperature in August 2025 for Puerto Montt was 51.1°F. The maximum and minimum values were 50.6°F and 51.6°F respectively.

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation total in August for Puerto Montt is 7.1 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.2 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Puerto Montt in August is 4.2 hours.