Home › Weather › Santorini Weather October
Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the PressHive weather desk. Data from national met services via Open-Meteo.
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October on Santorini brings warm days, cooler evenings, and far fewer crowds than summer. Daytime highs average 23–25°C, with sea temperatures still pleasant for swimming. Rain is limited but increases slightly toward November, so pack a light jacket.
Check the live forecast above for your exact travel dates; conditions can vary week to week. October 2026 is expected to follow the island’s typical autumn pattern — settled early in the month, with a gradual chance of showers later.
What is the weather like in Santorini in October?
October is one of Santorini’s most comfortable months. Daytime temperatures hover in the low-to-mid 20s Celsius, dropping to around 16–18°C after sunset. The sea remains warm enough for swimming, often 22–23°C. Sunshine still dominates, though cloud cover and the odd shower become more likely as the month progresses, especially after mid-October. Winds ease compared with July and August, making it a pleasant time for exploring the caldera villages.
How much rain and how many sunny days can I expect?
Rainfall in October averages about 30–40mm across the month, typically falling on 4–6 days. The first half of October is noticeably drier than the second. Sunshine hours are still generous — around 7–8 hours per day — so most days are fine for sightseeing or beach time. Santorini weather October rain is infrequent but can be sharp when it arrives, so a small umbrella or waterproof layer is wise.
Is October a good time to visit Santorini?
Yes — October offers warm weather without the intense summer heat or crowds. Flights and accommodation are often cheaper, and the island is still fully open for tourism. The risk of rain is low early in the month.
Is it still warm enough to swim in Santorini in October?
Yes, the sea retains summer warmth and averages 22–23°C. Most hotel pools remain open. Calm coves like those near Akrotiri or Perissa are still inviting on sunny days.
How does Santorini October weather compare to Santorini weather September or November?
September is hotter and drier, with highs around 27–28°C. November cools significantly to 18–20°C highs, with more rain and shorter days. October strikes a balance — warm, sunny, and only moderately wet.
Sources
For broader UK outlooks, see our national weather hub or the 10 Day Weather Forecast. If you are comparing destinations, Crete Weather and Malta Weather also offer mild October conditions. For temperature conversions (santorini weather october fahrenheit), 23°C equals about 73°F. Those researching santorini weather october accuweather or santorini weather october november may find the patterns above broadly consistent year on year.