❄️ Not really. Average temperature: 17°C
It's cool at 17°C — not ideal for beach weather, but pleasant for exploring and outdoor activities. Santorini in April has an average air temperature of 17°C with sea temperatures around 17°C. You can expect 9 hours of sunshine per day and 15mm of rainfall, which means minimal rainfall — mostly dry and sunny.
At 17°C the sea is quite cold. A wetsuit is recommended if you plan to swim. With 9 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Bring warm layers, a waterproof jacket, and closed-toe shoes. Evenings can feel chilly.
If you're looking for heat in April, you might want to consider warmer alternatives. 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 April:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Santorini | 17°C | 17°C | 15mm | 9h |
| Alicante | 17°C | 16°C | 30mm | 9h |
| Corfu | 17°C | 16°C | 55mm | 7h |
| Ibiza | 17°C | 16°C | 30mm | 9h |
| Lisbon | 17°C | 16°C | 55mm | 9h |
| Malta | 17°C | 16°C | 20mm | 9h |
See how Santorini's temperature changes throughout the year:
Looking for somewhere warm in April? These destinations are all 25°C+:
No, Santorini in April has average temperatures of 17°C. It is not particularly warm this time of year. Sea temperatures are 17°C.
The sea at 17°C is cold — a wetsuit is recommended.
Bring warm layers, a waterproof jacket, and closed-toe shoes. Evenings can feel chilly.
There are warmer months to visit Santorini. Consider checking May or other warm destinations for this time of year.
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