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San Sebastian weather

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The weather map: all three models at once

European, American, German side by side around San Sebastian and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to San Sebastian? San Sebastian, Spain, sits at 43.3°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast San Sebastian right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit San Sebastian

The most comfortable time to visit San Sebastian is usually March, April, May and June, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.

San Sebastian weather by month

what to expect in San Sebastian through the year

Here is San Sebastian's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to San Sebastian by season.

Jan
13°
Cool
Feb
14°
Cool
Mar
17°
Mild
Apr
17°
Mild
May
19°
12°
Mild
Jun
22°
16°
Warm
Jul
24°
17°
Warm
Aug
25°
18°
Warm
Sep
24°
16°
Warm
Oct
23°
14°
Warm
Nov
18°
11°
Mild
Dec
14°
Cool
Wettest

Common questions

When is the best time to visit San Sebastian?
The most comfortable time to visit San Sebastian is usually March, April, May and June, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Will it rain in San Sebastian during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for San Sebastian - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for San Sebastian?
For destinations abroad we compare the three global models (ECMWF, GFS and ICON) that nearly every weather app quietly builds on. No single app tells you when they disagree - we do, so you can judge the confidence yourself.

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