April · Spain
Best time to visit San Sebastian in April Weather, crowds & prices
Weather in San Sebastian in April
Average temperature 13°C, 154 mm of rain, about 23 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
4.3/10
Ranked #8 of 12 months
- Avg temp
- 13°C
- Rainfall
- 154 mm
- Humidity
- 79%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
April in San Sebastian scores 4.3/10 for beach and coastal travel - ranked #8 of 12. Expect around 13°C, 154 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
San Sebastián wraps a shell-shaped bay, pintxos bars and the Basque coast into Spain's gastronomic capital.
April in San Sebastian — off-season conditions
April averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 154 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.3/10 here, 8th of 12 months, against 8.4/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? July scores 4.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in San Sebastian in April?
- In April, San Sebastian averages 13°C, 154 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 4.3/10.
- Is April a good time to visit San Sebastian?
- April earns a 4.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in San Sebastian in April?
- Expect about 154 mm of rain in April. Average humidity is 79% and there are about 23 days with 6+ hours of sunshine.
Curated in San Sebastian
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Things to do in San Sebastian
San Sebastian, Spain. Live activities and tours from GetYourGuide, matched to this destination.