☀️ SunnyWhen

Best Time to Visit San Sebastian

Spain · 30-year monthly climate averages

☀️ When to go

Based on 30 years of climate data, the most comfortable months to visit San Sebastian are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.

JuneJulyAugust

Climate profile

San Sebastian sees its warmest weather in August, when daytime highs average around 23°C, and its coolest in January (around 11°C).

Annual precipitation totals roughly 1566mm — November is typically the wettest month (~202mm) and July the driest (~92mm).

A distinctly wetter period runs from September to May — worth planning around if you prefer dry days.

July is the sunniest month, with about 206 hours of sunshine.

Year at a glance

JanFebMarAprMayJunJulAugSepOctNovDec0°11°23°

🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall

🔥 Recent heat vs normal

Daily forecast highs vs the 30-year normal — last 37 days

24/ 37
days ≥2°C above normal
32°C
highest recorded · July 12
+3.0°C
avg anomaly · vs 30-year normal
2026-07-12: +10.1°C2026-07-13: +3.4°C2026-07-14: +5.2°C2026-07-15: +4.8°C2026-07-16: +4.0°C2026-07-17: +2.6°C2026-07-18: +2.8°C2026-07-19: +4.2°C2026-07-20: +4.4°C2026-07-21: +3.2°C2026-07-22: +5.0°C2026-07-23: +4.8°C2026-07-24: +3.4°C2026-07-25: +1.5°C2026-07-26: +0.3°C2026-07-27: +1.0°C2026-07-28: +7.9°C2026-07-29: +3.8°C2026-07-30: +2.4°C2026-07-31: +1.3°C2026-08-01: +0.6°C2026-08-02: +1.5°C2026-08-03: +1.0°C2026-08-04: +1.4°C2026-08-05: +0.7°C2026-08-06: +0.1°C2026-08-07: +1.5°C2026-08-08: +3.4°C2026-08-09: +2.2°C2026-08-10: +1.4°C2026-08-11: +3.0°C2026-08-12: +4.5°C2026-08-13: +4.9°C2026-08-14: +2.8°C2026-08-15: +1.4°C2026-08-16: +2.4°C2026-08-17: +2.2°C

Each bar is one day: orange above normal, blue below.

Month by month

MonthHigh / LowRainfallTravel rating
January11° / 6°C151mm⚠️ Challenging
February12° / 6°C124mm⚠️ Challenging
March14° / 8°C119mm🤔 Fair
April15° / 9°C126mm🤔 Fair
May18° / 11°C122mm👍 Good
June20° / 14°C96mm🌟 Great
July22° / 16°C92mm🌟 Great
August23° / 17°C109mm🌟 Great
September21° / 15°C117mm👍 Good
October19° / 13°C155mm👍 Good
November14° / 9°C202mm⚠️ Challenging
December12° / 7°C153mm⚠️ Challenging

FAQ

What is the best time to visit San Sebastian?
Based on 30 years of climate data, the most comfortable months to visit San Sebastian are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
What is the hottest month in San Sebastian?
August is typically the hottest month in San Sebastian, with average daytime highs around 23°C.
What is the rainiest month in San Sebastian?
November is usually the wettest month, with around 202mm of precipitation.