The highest day temperature in August 2025 was 98°F. The lowest night temperature was 65°F. The average values for day and night temperatures during August were 85.9°F и 73.7°F respectivly.

The average sea surface temperature in August 2025 for Sant Feliu de Guixols was 80.0°F. The maximum and minimum values were 76.2°F and 82.8°F respectively.

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

Precipitation total in August for Sant Feliu de Guixols is 0.7 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 5.9 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 Sant Feliu de Guixols in August is 10.4 hours.