Month guide · San Sebastián · Spain
San Sebastián in May
What May is really like in San Sebastián: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Tabakalera, CC BY-SA 3.0
Quick answer
May is a shoulder-season month. Expect average highs of 19°C (66°F), lows of 11°C (52°F), about 13 rainy days and roughly 14.7 hours of daylight. Mild and pleasant for walking the hills, though showers are still common; the sea is too cold for most swimmers.
Key facts
- Average high / low
- 19°C (66°F) / 11°C (52°F)
- Rainy days
- About 13
- Daylight
- About 14.7 hours
- Sea temperature
- 15°C (59°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in May
May is the 6th-warmest month in San Sebastián: days average 19°C (66°F) against a yearly average high of 18°C (64°F), and nights fall to about 11°C (52°F). Rain falls on roughly 13 of its 31 days. Compared with April (16°C (61°F)), May is warmer; by June highs climb to around 22°C (72°F).
- Sunrise (15 May)
- About 06:43
- Sunset (15 May)
- About 21:25
- Daylight
- About 14.7 hours
- Sea
- 15°C (59°F)
Spring (March–May). Green hills, cider-house season and comfortable walking weather, with frequent showers and a sea still too cold for most swimmers.
Crowds and prices
On a 1–5 scale, May rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in May
May has no major recurring festival in San Sebastián, which usually means easier bookings.
What to do in May
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Architecture · Egia
Tabakalera
Go up to the free rooftop viewpoint even if you skip the exhibitions.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Art
- Views
- Rainy day
Museum · Miramón
Eureka! Zientzia Museoa
The city's science museum in the Miramón technology park has hands-on exhibits on physics, the human body and nature, a planetarium and simulators.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Kids
- Rainy day
Beach · Centro
La Concha beach and promenade
Walk the promenade at sunset towards Ondarreta, then return along the beach at low tide.
- Time needed
- Half a day
- Cost
- Free
- Iconic
- Free
- Kids
- Couples
- Outdoors
- Photo spot
Neighbourhood · Parte Vieja
Parte Vieja pintxo bars
The old town's bars line their counters with pintxos — small bites on bread or skewers — and cook hot ones to order from a blackboard.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Iconic
- Food
- After dark
What to pack
For highs near 19°C, lows near 11°C and 13 wet days: layers, a warm sweater and a jacket for cool evenings; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is May a good time to visit San Sebastián?
A shoulder-season month. If your dates are flexible, June and September are better overall. Compare every month.
San Sebastián in other months
Questions travellers ask
+Is May a good time to visit San Sebastián?
It is a shoulder-season month. Mild and pleasant for walking the hills, though showers are still common; the sea is too cold for most swimmers.
+How warm is San Sebastián in May?
Average highs are around 19°C (66°F) and lows around 11°C (52°F).
+Does it rain a lot in San Sebastián in May?
Expect rain on about 13 days of the month, so pack for wet weather.