How warm is the sea in Skiathos?
The sea in Skiathos is currently 28°C.
Sea temperature is measured at the surface and updated hourly.
The sea in Skiathos is 28°C today, the weather is clear, 27°C.

Greece
Last updated: 9 August 2026, 12:59
Yellow warning for high temperatures until 18:00, per MeteoAlarm
Today Skiathos can expect partly cloudy, with a high of around 28°. Over the coming days the weather stays similar, with temperatures between 22° and 28°. No significant rain is expected.
Next 48 hours
The best time to visit is from June to September. The sea is warmest in July (27.2°C).
| Month | Max | Min | Rain (days) | Sea |
|---|---|---|---|---|
| January | 11° | 7° | 13 | 16° |
| February | 12° | 8° | 10 | 15° |
| March | 12° | 9° | 9 | 15° |
| April | 15° | 11° | 5 | 17° |
| May | 18° | 15° | 5 | 18° |
| June | 23° | 20° | 4 | 24° |
| July | 26° | 23° | 2 | 27° |
| August | 26° | 23° | 3 | 27° |
| September | 23° | 20° | 7 | 25° |
| October | 19° | 17° | 7 | 23° |
| November | 16° | 13° | 7 | 20° |
| December | 13° | 10° | 11 | 17° |
Skiathos is a small island in the Northern Sporades group, in the western Aegean, covered in pines that descend almost to the water. Despite its small size, the island is known for dozens of sandy beaches and for a lively main town with a harbour. Skiathos combines nature, a beach holiday and an evening atmosphere in a compact space. For Macedonian visitors it is reached by flight or by ferry via the mainland. Summers are hot and dry, with August sea temperatures of around 27°, and the season runs from late May into September.
The sea in Skiathos is currently 28°C.
Sea temperature is measured at the surface and updated hourly.
The best time to visit is from June to September. The sea is warmest in July (27.2°C).
Derived from the 2015–2024 climate averages.
Tomorrow in Skiathos expect partly cloudy, with a high of 27°C and a low of 25°C.