San Sebastián Sea Temperature by Month 🌊 | Can You Swim in Northern Spain?
Thinking about a beach trip to San Sebastián?
Here’s a month-by-month breakdown of sea temperatures in Donostia — a surf and beach hotspot in northern Spain.
❄ Winter: 12–14°C — chilly waters
🌱 Spring: 14–18°C — slowly warming
☀ Summer: 20–24°C — best time to swim
🍂 Autumn: still mild through early October
📲 Get real-time water temperatures for lakes, rivers, and seas worldwide: on https://seatemperature.net
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– Android → https://play.google.com/store/apps/details?id=com.seatemp.seatemperature
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