The highest day temperature in August 2025 was 84°F. The lowest night temperature was 73°F. The average values for day and night temperatures during August were 79.1°F и 76.1°F respectivly.

The average sea surface temperature in August 2025 for Arenas del Mar was 77.1°F. The maximum and minimum values were 75.8°F and 78.2°F respectively.

Almost all days in August are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in August for Arenas del Mar is 0.0 in. This value is relatively stable throughout the year.

The average wind speed in August is 9.9 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 Arenas del Mar in August is 12.2 hours.