Quick decision
When to visit Santorini?
🌞 Best time overall
July
🌡️ Optimal temperature
23°C–28°C in July
🌧 Least rain
1% rainy days in July
🌧 Wettest month
January (32%)
📅 Best score
9.9/10
By trip type
Best time by type of trip
Oia SunsetMay, June or September — moderate crowds, perfect light, manageable wind.
Diving & SnorkellingJuly–August — water 25–26°C, maximum visibility.
PhotographySeptember — amber light, less crowded terraces, exceptional sunsets.
FamilyJune — before the Meltemi, sea already warm (23°C), fewer crowds.
Cyclades CruiseMay or October — pleasant temperatures, islands still open.
Monthly climate data
Santorini weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 10°C | 14°C | 32% | 1.5 | 8.8h | 6.3/10 |
| ⛅ February | 11°C | 14°C | 24% | 1.6 | 9.2h | 7.0/10 |
| ⛅ March | 12°C | 16°C | 21% | 1.4 | 10.8h | 7.1/10 |
| 🌤️ April | 13°C | 18°C | 13% | 0.4 | 11.7h | 7.6/10 |
| 🌤️ May | 16°C | 21°C | 9% | 0.4 | 12.8h | 8.4/10 |
| ☀️ June | 21°C | 26°C | 4% | 0.2 | 13.3h | 9.5/10 |
| ☀️ July | 23°C | 28°C | 1% | 0.0 | 13.1h | 9.9/10 |
| ☀️ August | 23°C | 28°C | 3% | 0.1 | 12.7h | 9.7/10 |
| ☀️ September | 22°C | 26°C | 3% | 0.2 | 11.5h | 9.1/10 |
| 🌤️ October | 18°C | 22°C | 8% | 0.4 | 10.0h | 8.2/10 |
| 🌤️ November | 15°C | 19°C | 15% | 0.8 | 9.0h | 7.4/10 |
| ⛅ December | 12°C | 16°C | 31% | 1.7 | 8.5h | 7.0/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 18°C, 14% rainy days, 11.8h sunshine/day. Score: 7.7/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 27°C, 3% rainy days, 13.0h sunshine/day. Score: 9.7/10.
🍂 Autumn (Sep–Nov) — Good time
Average 22°C, 9% rainy days, 10.2h sunshine/day. Score: 8.2/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 15°C, 29% rainy days, 8.8h sunshine/day. Score: 6.8/10.
Accommodation
Find a place to stay in Santorini
Check availability during the recommended period
Tip : February, March offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Santorini
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 1% rainy days and 28°C.
January is the wettest month with 32% rainy days.
Yes, July is the best month with an average of 28°C.
In winter, the average score is 6.8/10. Acceptable conditions for cultural visits.
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