Santorini weather in October
Averages for 2 places in Santorini in October, from 30 years of weather data.
Holiday weather in October
Good
Best time to visit: June – September
Places in Santorini in October
Sorted by holiday weather score. Each place links to its own page for October.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 94 | 64 | 37 |
| Day | 24° | 21° | 18° |
| Night | 22° | 19° | 15° |
| Sea | 24° | 22° | 20° |
| Sun | 9 h | 7 h | 6 h |
| Rain days | 1 | 3 | 6 |
Santorini in October: quick answers
Is it warm in Santorini in October?
It is mild. Daytime highs average 21 °C (20–21 °C by place) and nights 19 °C.
Can you swim in Santorini in October?
Yes. The sea is 22 °C, 22 °C on average.
Where is it warmest in Santorini in October?
The warmest are Oia (21 °C) and Fira (20 °C).
Does it rain much in Santorini in October?
Rarely: 3 rainy days on average. Plus 7 hours of sunshine a day.
Is October a good time to visit Santorini?
October scores 64 out of 100 (Good). The best time to visit is June – September.
Santorini month by month
Santorini: weather by monthWhere to go in OctoberSea temperature in October
More islands & regions
Which Greek island is warmest?All places on the Greek islandsGreece: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)