San Sebastian Weather in May
Spain · 30-year monthly averages
👍 Good time to visit
May in San Sebastian is mild, with average daytime highs around 18°C (65°F) and nighttime lows near 11°C (53°F). Expect roughly 122mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
Avg high
18°C
65°F
Avg low
11°C
53°F
Rainfall
122mm
rainy
Rainy days
12
days with ≥1mm
☀️ About 193 hours of sunshine over the month (~6h/day).
🎒 What to pack
- light jacket
- layers for cool evenings
- compact umbrella or rain jacket
May vs the rest of the year
FAQ
- How hot is San Sebastian in May?
- May in San Sebastian is mild, with average daytime highs around 18°C (65°F) and nighttime lows near 11°C (53°F). Expect roughly 122mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
- Does it rain a lot in San Sebastian in May?
- San Sebastian sees around 122mm of precipitation in May on average — rainy by global standards.
- Is May a good time to visit San Sebastian?
- May is a good month to visit San Sebastian, with generally agreeable conditions.