Santorini weather in October
October is a fair month to visit Santorini: highs of 22°C (72°F) and about 44 mm (1.7 in) of rain on average. Nights average 20°C (68°F) and cloud cover 36% (NASA POWER, 2001–2025 averages). The sea averages 23°C (73°F). It is the 6th wettest month of the year and the 5th warmest. Compared with September, it is cooler and wetter; November brings highs of 19°C (66°F) and 64 mm (2.5 in) of rain.
Is October a good time to visit Santorini?
fair month Weather score 85/100.
October is a fair month in Santorini. The weather is usually best in May–Sep.
Does it rain a lot in Santorini in October?
No, it is usually dry: about 44 mm (1.7 in) falls in an average October. It is the 6th wettest month of the year.
How warm is Santorini in October?
Days average 22°C (72°F) and nights 20°C (68°F).
Santorini weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 15°C (58°F) | 13°C (55°F) | 96 mm | 61% | 18°C (65°F) | least pleasant |
| February | 15°C (58°F) | 13°C (55°F) | 81 mm | 60% | 18°C (64°F) | least pleasant |
| March | 16°C (60°F) | 14°C (57°F) | 44 mm | 51% | 18°C (64°F) | fair |
| April | 18°C (64°F) | 15°C (60°F) | 26 mm | 45% | 18°C (64°F) | fair |
| May | 21°C (69°F) | 18°C (65°F) | 19 mm | 34% | 20°C (67°F) | best |
| June | 25°C (76°F) | 22°C (72°F) | 5 mm | 16% | 23°C (73°F) | best |
| July | 27°C (80°F) | 24°C (75°F) | 2 mm | 9% | 25°C (76°F) | best |
| August | 27°C (81°F) | 25°C (76°F) | 2 mm | 8% | 26°C (79°F) | best |
| September | 25°C (77°F) | 23°C (73°F) | 18 mm | 19% | 25°C (77°F) | best |
| October | 22°C (72°F) | 20°C (68°F) | 44 mm | 36% | 23°C (73°F) | fair |
| November | 19°C (66°F) | 17°C (63°F) | 64 mm | 51% | 21°C (70°F) | fair |
| December | 16°C (61°F) | 14°C (57°F) | 87 mm | 61% | 19°C (67°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months