GR Santorini, Greece

Best Time to Visit
Santorini

Santorini shuts down 6 months out of 12. June and September are the ideal windows — the Meltemi wind in July-August can disrupt terrace activities.

Updated: March 2026 · Open-Meteo · 10 years · 12 months compared · 36.39°N 25.44°E
JulyBest month
28°COptimal temperature
1%Rainy days

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

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.

Santorini weather month by month

MonthMin °CMax °CRainy days (%)Precip. mm/dSun h/dScore
⛅ January10°C14°C32%1.58.8h6.3/10
⛅ February11°C14°C24%1.69.2h7.0/10
⛅ March12°C16°C21%1.410.8h7.1/10
🌤️ April13°C18°C13%0.411.7h7.6/10
🌤️ May16°C21°C9%0.412.8h8.4/10
☀️ June21°C26°C4%0.213.3h9.5/10
☀️ July23°C28°C1%0.013.1h9.9/10
☀️ August23°C28°C3%0.112.7h9.7/10
☀️ September22°C26°C3%0.211.5h9.1/10
🌤️ October18°C22°C8%0.410.0h8.2/10
🌤️ November15°C19°C15%0.89.0h7.4/10
⛅ December12°C16°C31%1.78.5h7.0/10
Ideal Fair Challenging climate Source: Open-Meteo · 10 years

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.

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. Browse activities on GetYourGuide

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Detailed weather by month

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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