Climate guide for San Sebastian, Spain

San Sebastian in March

Weather, crowds & best time to visit

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March · Spain

Best time to visit San Sebastian in March Weather, crowds & prices

Weather in San Sebastian in March

Average temperature 13°C, 139 mm of rain, about 24 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

4.4/10

Ranked #7 of 12 months

Full year for San Sebastian
Avg temp
13°C
Rainfall
139 mm
Humidity
74%
Days with 6h+ sun
24
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

March in San Sebastian scores 4.4/10 for beach and coastal travel - ranked #7 of 12. Expect around 13°C, 139 mm of rain, and roughly 24 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.

March in San Sebastian — off-season conditions

Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.

139 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 4.4/10 on the same scale — 7th of 12 months, versus 8.4/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, July is materially better in San Sebastian — 4 points higher on the same scale.

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 March?
In March, San Sebastian averages 13°C, 139 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 4.4/10.
Is March a good time to visit San Sebastian?
March earns a 4.4/10 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 March?
Expect about 139 mm of rain in March. Average humidity is 74% and there are about 24 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.