The highest day temperature in April 2023 was 76°F. The lowest night temperature was 40°F. The average values for day and night temperatures during April were 61.6°F и 50.0°F respectivly.

The average sea surface temperature in April 2023 for San Sebastian was 57.8°F. The maximum and minimum values were 56.4°F and 60.4°F respectively.

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

Precipitation total in April for San Sebastian is 3.1 in.

The average wind speed in April is 7.6 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 San Sebastian in April is 7.3 hours.