Measurements:
°C
°F
Skiathos
58°F
SW 11 mph
Feels like: 56°F
Precip: 84%
World Resorts Greece Skiathos Weather

Skiathos Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in December: 68.0°F
Minimum Sea Water Temperature in December: 58.0°F
Average water temperature in December: 62.6°F

Sea Water Temperature for the Last 10 Days:

December 13 64.8°F December 08 64.8°F
December 12 64.4°F December 07 65.2°F
December 11 64.8°F December 06 66.0°F
December 10 64.8°F December 05 65.4°F
December 09 64.6°F December 04 65.8°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Skiathos was 83.2°F. The maximum and minimum values were 81.2°F and 84.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Skiathos was 83.2°F. The maximum and minimum values were 80.2°F and 86.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Skiathos was 80.1°F. The maximum and minimum values were 77.2°F and 82.8°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 86.3 °F
July 86.0 °F
September 80.1 °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 55.0 °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
Athenes +50
Athos +54
Bali Gr +60
Chalkidiki +56
Chania +58
Corfu +58
Crete +54
Hanioti +56
Heraklion +58
Hersonissos +56
Paralia Katerini +46
Rhodes +56
Santorini +62
Thasos +54
Thessaloniki +48
24 Hours Weather Forecast
Skiathos
Local time: 01:17
14 dec, sunday
0300 58°F
SW
11 mph
0600 58°F
SW
9 mph
0900 58°F
S
7 mph
1200 58°F
S
8 mph
1500 58°F
S
9 mph
1800 58°F
S
7 mph
2100 58°F
SE
6 mph
15 dec, monday
0000 58°F
SE
7 mph

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