How warm is the sea in Santorini?
The sea in Santorini is currently 25°C.
Sea temperature is measured at the surface and updated hourly.
The sea in Santorini is 25°C today, the weather is clear, 30°C.
Santorini
Greece
30°
Clear
Feels like 27°C
Last updated: 11 July 2026, 16:55
Sea and Beach
Sea temperature
25°
Waves
0.4 m
UV index
5
Hour by hour
Next 48 hours
- Now30°
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- 20:0027°
- 21:00
27° - 22:0026°
- 23:0026°
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Daily forecast
- Today30°24°
- Tomorrow30°24°
- Monday31°26°
- Tuesday30°25°
- Wednesday30°25°
- Thursday29°26°
- Friday
26°23°
14 days
14 days
- Today30°24°
- Tomorrow30°24°
- Monday31°26°
- Tuesday30°25°
- Wednesday30°25°
- Thursday29°26°
- Friday26°23°
- Saturday29°23°
- Sunday28°24°
- Monday29°24°
- Tuesday30°25°
- Wednesday30°25°
- ThursdayВеројатност за врнежи: 1%30°26°
- FridayВеројатност за врнежи: 2%29°25°
Tomorrow's weather
Tomorrow
12 July
Clear26 km/h
Best Time to Visit
The best time to visit is from June to September. The sea is warmest in August (25.9°C).
| Month | Max | Min | Rain (days) | Sea |
|---|---|---|---|---|
| January | 14° | 10° | 11 | 18° |
| February | 15° | 11° | 8 | 17° |
| March | 16° | 12° | 7 | 17° |
| April | 19° | 14° | 3 | 18° |
| May | 22° | 17° | 3 | 19° |
| June | 26° | 21° | 1 | 23° |
| July | 28° | 23° | 0 | 25° |
| August | 28° | 24° | 1 | 26° |
| September | 26° | 22° | 1 | 25° |
| October | 22° | 19° | 2 | 23° |
| November | 19° | 15° | 4 | 21° |
| December | 15° | 12° | 9 | 19° |
Frequently asked questions
When is the best time to visit Santorini?
The best time to visit is from June to September. The sea is warmest in August (25.9°C).
Derived from the 2015–2024 climate averages.
Will it rain tomorrow in Santorini?
Tomorrow in Santorini expect clear, with a high of 30°C and a low of 24°C.