Santorini weather in August
Averages for 1 place in Santorini in August, from 30 years of weather data.
Holiday weather in August
Excellent
Best time to visit: July – September
Places in Santorini in August
Sorted by holiday weather score. Each place links to its own page for August.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Fira | 100 | 26° | 23° | 25° | 11 h | 0 |
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 99 | 100 | 92 |
| Day | 25° | 26° | 24° |
| Night | 22° | 23° | 21° |
| Sea | 24° | 25° | 24° |
| Sun | 11 h | 11 h | 9 h |
| Rain days | 0 | 0 | 1 |
Santorini in August: quick answers
Is it warm in Santorini in August?
Yes, it is warm. Daytime highs average 26 °C (26 °C by place) and nights 23 °C.
Can you swim in Santorini in August?
Yes. The sea is 25 °C, 25 °C on average.
Does it rain much in Santorini in August?
Hardly: 0 rainy days on average. Plus 11 hours of sunshine a day.
Is August a good time to visit Santorini?
Yes, August is one of the best months, with a holiday weather score of 100 out of 100. Best time overall: July – September.
Santorini month by month
Santorini: weather by monthWhere to go in AugustSea temperature in August
More islands & regions
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)