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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Norwich Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Daytime highs in Santorini for October average 22–24°C (72–75°F), dropping to 16–18°C at night, with sea temperatures around 22°C. That means warm, pleasant conditions for sightseeing, though the chance of rain increases noticeably as the month progresses.
What is the weather like in Santorini during October?
October marks the transition from summer heat to autumn mildness. The live forecast above shows current conditions, but historically you can expect roughly 8–9 days of rain totalling 40–60mm, mostly in the second half of the month. Sunshine still averages 7–8 hours per day, making it a solid shoulder-season choice for travellers who want fewer crowds than July or August. For comparison, Crete Weather follows a similar pattern but tends to run 1–2°C cooler.
How does early October compare to late October?
Early October often feels like a continuation of santorini weather september — highs of 24–25°C and mostly dry. By late October, highs slip to 20–21°C and rain becomes more frequent, approaching what you’d see during santorini weather november. If you’re checking santorini weather october accuweather forecasts, pay attention to the week-by-week split: the first fortnight is far more reliable for beach days.
Does it rain a lot in Santorini in October?
Not heavily at first. Early October averages 2–3 rainy days; late October sees 5–6. Total rainfall is modest (40–60mm), so you’ll still get plenty of dry spells for exploring.
What should I pack for Santorini in October?
Light layers: T-shirts and shorts for daytime, plus a jacket or jumper for evenings. A compact umbrella helps for santorini weather october rain days. Swimwear still works if the sea stays warm.
Is October a good time to visit Santorini?
Yes — it’s a sweet spot. Prices drop, crowds thin, and temperatures remain comfortable for walking. Just be aware that santorini weather october november comparisons show October is significantly warmer and drier than November.