Spain

San Sebastian weather in August

Weather in San Sebastian: August


	Average day temperature:	76.7°F
	Average night temperature:	61.8°F

	Sea water temperature:	72.5°F

	Number of sunny days:	16 days
	Day length:	13.2 - 14.5 hours

	Number of rainy days:	4 days
	Precipitation totals:	2.0 in.

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14 days
forecast

San Sebastian

sea water
temperature

San Sebastian

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2024

2023

2022

The highest day temperature during August of 2024 was 98°F. At the same time the lowest night temperature was 54°F. Day and night temperature averages during August were 75.6°F and 60.5°F.

Show year:

2024

2023

2022

The average sea water temperature in August of 2024 was 73.1°F. The highest and lowest sea temperatures during the month were 74.3°F and 72.0°F.

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total value in San Sebastian in August is 1.9 in. Other months of the year show relatively similar values.

The average wind speed value in August is 5.4 mph It makes August one of the least windy months of the year.

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.7.