Late spring · Weather & things to do
San Sebastián in May
San Sebastián warms up: highs climb to 64°F (18°C), from 60°F in April, with lows of 56°F (13°C) and about 3.2 in (82 mm) of rain.
May opens the best stretch on our comfort score, at 81/100 (3rd of 12).
- Avg high
- 64°F (18°C)
- Avg low
- 56°F (13°C)
- Rain
- 3.2 in (82 mm)
- Humidity
- 81%
- Cloud cover
- 72%
- Daylight
- ~14 h 30 min
- Comfort score
- 81/100 · Great
What May feels like
Highs near 64°F (18°C) make for comfortable sightseeing weather.
After dark, temperatures fall to about 56°F (13°C).
Showers are part of the month, adding up to about 3.2 in (82 mm).
Plan around May
May is one of San Sebastián's best months on the climate data.
- Opens the best-scoring stretch on our comfort score: May – October.
- Comfort improves from 73/100 in April to 81/100.
- May sits inside the May – Oct window our Basque Coast Food Trail route recommends.
What to pack for May
- A warm layer for eveningsnights drop to 56°F
- Packable rain jacket or umbrellaabout 3.2 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in San Sebastián in May
With conditions on your side, the picks below favor time outside.
Txomin Etxaniz
Long-standing txakoli winery in Getaria with vineyards above the sea.
Peine del Viento
Chillida's steel sculptures anchored into rocks at the end of Ondarreta.
Borda Berri
Small bar making hot pintxos like pork cheek and risotto to order.
Ganbara
Pintxos bar known for wild mushrooms in season and crab tartlets.
Monte Urgull
Wooded hill over the old town with a castle, a statue of Christ and bay views.
Why now May scores 81/100 for comfort, good conditions for being outside.
Nearby in May
- Bilbao in May~48 mi · highs 64°F, 2.5 in rain · similar daytime temperatures, drier
- Laguardia in May~61 mi · highs 68°F, 2.3 in rain · 2°C (3°F) warmer by day, drier
- Barcelona in May~250 mi · highs 76°F, 1.9 in rain · 6°C (11°F) warmer by day, drier
- Girona in May~261 mi · highs 70°F, 2.5 in rain · 3°C (6°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
San Sebastián in May: quick answers
Is May a good time to visit San Sebastián?
Yes. On the climate data it's one of the best months, scoring 81/100. Expect highs of 64°F (18°C) and 3.2 in (82 mm) of rain. May is inside the May – Oct window our Basque Coast Food Trail route recommends.
How hot is San Sebastián in May?
Average highs are 64°F (18°C) and average lows 56°F (13°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in San Sebastián in May?
Some: about 3.2 in (82 mm) of rain falls across May on average, the 5th-driest month of the year. The annual total is about 42.1 in (1070 mm).
What should I pack for San Sebastián in May?
Bring a warm layer for evenings (nights drop to 56°F), packable rain jacket or umbrella (about 3.2 in of rain) and comfortable walking shoes (most picks involve some walking).
More on San Sebastián
Routes in season in May
- Basque Coast Food Trail May – Oct
Planning San Sebastián in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.