The highest day temperature in March 2026 was 73°F. The lowest night temperature was 41°F. The average values for day and night temperatures during March were 56.8°F и 46.9°F respectivly.

The average sea surface temperature in March 2026 for Bilbao was 55.5°F. The maximum and minimum values were 54.4°F and 56.6°F respectively.

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

Precipitation total in March for Bilbao is 2.6 in.

The average wind speed in March is 7.6 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 Bilbao in March is 6.2 hours.