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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Headlines UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
October in Santorini brings mild temperatures around 22°C, eight hours of daily sunshine, and noticeably less rain than the winter months—though brief showers are possible. The sea stays warm enough for swimming, while crowds thin compared to summer.
What is the typical weather in Santorini during October?
Afternoon highs average 22–24°C, cooling to 16–18°C at night. The sea temperature remains around 22°C, so swimming and boat trips are still pleasant. Rainfall increases slightly compared to September: expect around 30–40mm spread across five or six wet days. Sunshine lasts roughly eight hours per day, giving you plenty of time to explore.
Is October a good month to visit Santorini?
Yes, if you prefer quieter streets and warm but not scorching weather. Hotels and flights are cheaper than in July or August, and the risk of strong meltemi winds drops. For comparison, Crete in October is very similar. If you’re considering later in the season, note that santorini weather november is noticeably cooler and wetter, with highs around 18°C.
Does it rain much in Santorini in October?
Not much. The island gets about 35mm of rain, usually as short showers rather than persistent downpours. September is drier still, while November sees a significant jump to around 70mm.
What should I pack for Santorini in October?
Light layers—short sleeves for daytime, a jumper or light jacket for evenings. A waterproof jacket or umbrella is wise for the odd shower. Swimwear still works; the sea is warm enough.
Is the weather in October similar to September?
September is warmer (highs around 27°C) and much drier. October still offers good conditions, but you’ll notice cooler mornings and more cloud cover. For santorini weather september figures, check our separate page.
If you’re planning ahead to santorini weather october 2026, long-range forecasts are not reliable this far out, but climate averages hold steady. For a wider UK long-range outlook, visit our 10 Day Weather Forecast UK page. Some readers also check santorini weather october accuweather; while that data can differ slightly, the broad pattern remains the same. For a santorini weather october fahrenheit reference, 22°C equals about 72°F. If you’re weighing up Santorini versus other destinations, our Malta Weather page offers a useful comparison for October.