The highest day temperature in March 2025 was 65°F. The lowest night temperature was 34°F. The average values for day and night temperatures during March were 55.2°F и 45.4°F respectivly.

The average sea surface temperature in March 2025 for Bilbao was 56.1°F. The maximum and minimum values were 55.6°F and 56.8°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 2.7 in.

The average wind speed in March is 7.8 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.