Climate guide for San Sebastian, Spain

San Sebastian in April

Weather, crowds & best time to visit

How to read the score (0–10)
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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

Full year for San Sebastian
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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

Tickets & experiences

Things to do in San Sebastian

San Sebastian, Spain. Live activities and tours from GetYourGuide, matched to this destination.