Island in South Aegean, Greece
Santorini weather by month and the best time to visit
When to go to Santorini
Late May–June and September–early October have warm sea and fewer crowds. July–August is hot and packed; most businesses close from November to March.
Santorini weather by month
Average daily high, rainfall and conditions.
- Jan13°96 mm
- Feb13°81 mm
- Mar14°44 mm
- Apr16°26 mm
- May19°19 mm
- Jun23°5 mm
- Jul25°2 mm
- Aug26°2 mm
- Sep24°18 mm
- Oct20°44 mm
- Nov17°64 mm
- Dec14°87 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 13°C56°F | 11°C52°F | 96 mm | 75% | Cool |
| February | 13°C56°F | 11°C52°F | 81 mm | 76% | Cool |
| March | 14°C58°F | 12°C54°F | 44 mm | 76% | Cool |
| April | 16°C61°F | 14°C57°F | 26 mm | 76% | Cool |
| May | 19°C67°F | 17°C62°F | 19 mm | 77% | Pleasant |
| June | 23°C74°F | 20°C69°F | 5 mm | 74% | Pleasant |
| July | 25°C77°F | 22°C72°F | 2 mm | 73% | Pleasant |
| August | 26°C78°F | 23°C73°F | 2 mm | 74% | Pleasant |
| September | 24°C74°F | 21°C71°F | 18 mm | 73% | Pleasant |
| October | 20°C69°F | 19°C65°F | 44 mm | 75% | Pleasant |
| November | 17°C63°F | 16°C60°F | 64 mm | 76% | Cool |
| December | 14°C58°F | 13°C55°F | 87 mm | 76% | Cool |
Best months across Greece
| Place | Best months | Warmest month |
|---|---|---|
| Athens | Apr–Jun, Sep–Oct | Jul (33°C) |
| Santorini | May–Jun, Sep–Oct | Aug (26°C) |
| Mykonos | May–Jun, Sep | Aug (25°C) |
| Crete | May–Jun, Sep–Oct | Aug (28°C) |
| Rhodes | May–Jun, Sep–Oct | Aug (32°C) |
| Corfu | May–Jun, Sep–Oct | Aug (30°C) |
| Thessaloniki | Apr–Jun, Sep–Oct | Jul (34°C) |
| Naxos | May–Jun, Sep–Oct | Aug (27°C) |
| Paros | May–Jun, Sep–Oct | Aug (27°C) |
| Zakynthos | May–Jun, Sep–Oct | Aug (29°C) |
| Chania | May–Jun, Sep–Oct | Jul (30°C) |
| Milos | May–Jun, Sep–Oct | Aug (26°C) |
| Kos | May–Jun, Sep–Oct | Aug (32°C) |
| Kefalonia | May–Jun, Sep–Oct | Aug (29°C) |
| Meteora | Apr–May, Sep–Oct | Jul (36°C) |
| Halkidiki | Jun–Sep | Jul (29°C) |
| Ios | Jun–Sep | Aug (26°C) |
| Lefkada | May–Jun, Sep–Oct | Aug (31°C) |
| Nafplio | Apr–Jun, Sep–Oct | Jul (36°C) |
| Skiathos | Jun–Jul, Sep | Aug (28°C) |
| Hydra | May–Jun, Sep–Oct | Aug (28°C) |
| Peloponnese | Apr–Jun, Sep–Oct | Aug (33°C) |
| Thassos | Jun–Jul, Sep | Aug (33°C) |
Quick answers
What is the best month to visit Santorini?
May–Jun, Sep–Oct. Late May–June and September–early October have warm sea and fewer crowds. July–August is hot and packed; most businesses close from November to March.
When is the rainy season in Santorini?
Rain peaks in January with about 96 mm. No month averages 150 mm or more.
What is the hottest month in Santorini?
August, with average highs of 26°C (78°F).
How cold does Santorini get?
The coolest nights are in January, averaging 11°C (52°F).
More about Santorini
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.5°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.