The highest day temperature in March 2026 was 70°F. The lowest night temperature was 56°F. The average values for day and night temperatures during March were 66.0°F и 61.5°F respectivly.

The average sea surface temperature in March 2026 for Arenas del Mar was 67.7°F. The maximum and minimum values were 67.2°F and 68.4°F respectively.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Arenas del Mar is 0.3 in. This value is relatively stable throughout the year.

The average wind speed in March is 9.2 mph.

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 March is 9.1 hours.