Donostia / San Sebastián

What is the weather like in Donostia / San Sebastián in August?

In August, Donostia / San Sebastián is typically 74°F (23°C) during the day and 62°F (17°C) at night. The month brings about 3.8 in (97 mm) of precipitation in total.

• Average high74°F (23°C)
• Average low62°F (17°C)
• Precipitation3.8 in (97 mm)
• Clear or mostly clear days9
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)