Measurements:
°C
°F
Skiathos
74°F
S 12 mph
Feels like: 74°F
Precip: 8%
World Resorts Greece Skiathos Weather

Skiathos Sea Water Temperature

Current Sea Water Temperature:
+77.6°F
Maximum Sea Water Temperature in September: 86.0°F
Minimum Sea Water Temperature in September: 75.6°F
Average water temperature in September: 80.4°F

Sea Water Temperature for the Last 10 Days:

September 29 77.6°F September 24 78.6°F
September 28 77.2°F September 23 80.6°F
September 27 77.8°F September 22 80.2°F
September 26 78.2°F September 21 80.2°F
September 25 79.0°F September 20 79.8°F

When is the Warmest Sea for Skiathos?

According to our data for the last three years for Skiathos the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Skiathos was 84.1°F. The maximum and minimum values were 82.4°F and 85.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Skiathos was 82.9°F. The maximum and minimum values were 80.8°F and 85.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Skiathos was 81.2°F. The maximum and minimum values were 77.2°F and 84.2°F respectively.

Best Time to Visit Skiathos
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
August 86.0 °F
July 85.7 °F
September 79.8 °F
Warmest sea temperature:
August 83.9 °F
July 82.4 °F
September 80.4 °F
The most cold months:
January 53.5 °F
February 55.1 °F
December 56.9 °F
The most rainy months:
February 4 days
November 4 days
January 4 days
The most windy months:
January 12 mph
February 12 mph
December 12 mph

Skiathos on the Weather Map

Greece Resorts:
NAME
F°
Athenes +74
Bali Gr +62
Chalkidiki +72
Chania +70
Corfu +76
Crete +66
Hanioti +76
Paralia Katerini +78
Pefkochori +76
Possidi +76
Rhodes +78
Sithonia +74
Thasos +68
Thessaloniki +80
Zakynthos +74
24 Hours Weather Forecast
Skiathos
Local time: 15:40
29 sep, tuesday
1800 72°F
SW
12 mph
2100 72°F
SW
20 mph
30 sep, wednesday
0000 70°F
SW
22 mph
0300 70°F
SW
23 mph
0600 70°F
SW
24 mph
0900 70°F
S
24 mph
1200 70°F
SW
30 mph
1500 66°F
S
22 mph

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