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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
October in Santorini brings warm, settled weather with average highs around 24°C, sea temperatures still pleasant for swimming, and noticeably fewer crowds than summer – a calm shoulder month for exploring the island.
What is the weather like in Santorini in October?
October is one of the most comfortable months to visit Santorini, with sunshine lasting about 7 hours a day and only occasional rain. The live forecast above gives the exact conditions for your chosen dates.
- Average daytime high: 24°C (75°F) – dropping to around 17°C (63°F) in the evening.
- Sea temperature: 22°C – still warm enough for swimming, especially early in the month.
- Rainfall: about 40mm spread over 5–6 days, mostly light showers rather than prolonged downpours.
- Wind: moderate meltemi winds ease by October, making ferry crossings and coastal walks more pleasant.
Is October a good time to visit Santorini?
Yes – if you prefer quieter streets, lower prices and reliable warmth without the intense July–August heat. Many hotels and restaurants remain open until late October, though some wind down after the 15th.
- Compared to Crete Weather, Santorini is slightly drier and warmer in October.
- For a broader UK outlook, check the 10 Day Weather Forecast UK to compare conditions at home.
- If you’re considering UK weather as an alternative, October in Santorini is far sunnier and milder.
Does it rain a lot in Santorini in October?
No – October is still a dry month by Mediterranean standards. You can expect about 5–6 wet days, usually as short showers. The chance of a full rainy day is low, especially in the first two weeks.
What should I pack for Santorini in October?
Light layers: T-shirts, shorts or skirts for daytime, plus a jacket or jumper for cooler evenings. A light rain jacket or umbrella is useful. Swimwear for the still-warm sea, and comfortable walking shoes.
Can I swim in the sea in October?
Yes – sea temperatures hover around 22°C, which many find comfortable for swimming, especially on sunny afternoons. By late October the water starts cooling, but still pleasant for a dip.