☀️ Yes! Average temperature: 21°C
It's mild at 21°C — warm enough for sightseeing but you may want a light layer for evenings. Santorini in October has an average air temperature of 21°C with sea temperatures around 23°C. You can expect 7 hours of sunshine per day and 35mm of rainfall, which means light rainfall — occasional brief showers.
Sea temperatures of 23°C are very comfortable for swimming and water sports. With 7 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Pack light layers, a jumper for evenings, comfortable walking shoes, and a rain jacket.
Santorini offers mild weather in October — great for culture and sightseeing. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Santorini stacks up against similar destinations in October:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Santorini | 21°C | 23°C | 35mm | 7h |
| Alicante | 21°C | 22°C | 50mm | 7h |
| Cape Town | 21°C | 14°C | 25mm | 9h |
| Ibiza | 21°C | 22°C | 55mm | 7h |
| Algarve | 22°C | 20°C | 50mm | 8h |
| Amalfi Coast | 20°C | 22°C | 100mm | 6h |
See how Santorini's temperature changes throughout the year:
Looking for somewhere warm in October? These destinations are all 25°C+:
Yes, Santorini in October has average temperatures of 21°C, making it a warm destination. Sea temperatures are 23°C.
The sea at 23°C is refreshing but swimmable.
Pack light layers, a jumper for evenings, comfortable walking shoes, and a rain jacket.
October is decent for visiting Santorini — not too hot, good for sightseeing.
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