The highest day temperature in July 2023 was 89°F. The lowest night temperature was 57°F. The average values for day and night temperatures during July were 75.3°F и 61.7°F respectivly.

The average sea surface temperature in July 2023 for San Sebastian was 74.9°F. The maximum and minimum values were 72.8°F and 76.4°F respectively.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for San Sebastian is 2.1 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 5.8 mph. It makes July the most windless month of the year for San Sebastian.

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 July is 8.9 hours.