Weather in Donostia / San Sebastián in May
Donostia / San Sebastián, Spain averages a high of 18.3°C (64.9°F) and low of 11.9°C (53.4°F) in May, with 15 rain days and 10.6 hours of daily sunshine. Travel score: 68.2/100 (Good). The best time to visit Donostia / San Sebastián is July.
High
18°C65°F
Low
12°C53°F
🌧️
15
rain days
☀️
10.6
hrs/day sunshine
💧
79%
humidity
68— Good
May in Donostia / San Sebastián is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Donostia / San Sebastián?
How much does it rain in Donostia / San Sebastián in May?
Donostia / San Sebastián receives an average of 114.8mm of rainfall across 15 rainy days in May. The annual total is 1447.5mm.
What should I pack for Donostia / San Sebastián in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧥
Light rain jacket
Some rainy days expected (15 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Spain in May?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31