The highest day temperature in March 2026 was 63°F. The lowest night temperature was 44°F. The average values for day and night temperatures during March were 55.9°F и 50.0°F respectivly.

The average sea surface temperature in March 2026 for Santander was 55.7°F. The maximum and minimum values were 54.8°F and 57.0°F respectively.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for Santander is 2.4 in.

The average wind speed in March is 9.7 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 Santander in March is 6.4 hours.