Measurements:
°C
°F
Hersonissos
72°F
SE 14 mph
Feels like: 72°F
Precip: 21%
World Resorts Greece Hersonissos Weather

Hersonissos Sea Water Temperature

Current Sea Water Temperature:
+78.6°F
Maximum Sea Water Temperature in June: 84.0°F
Minimum Sea Water Temperature in June: 70.4°F
Average water temperature in June: 76.6°F

Sea Water Temperature for the Last 10 Days:

June 19 78.6°F June 14 77.6°F
June 18 78.8°F June 13 78.0°F
June 17 78.4°F June 12 77.6°F
June 16 78.4°F June 11 77.2°F
June 15 78.0°F June 10 77.4°F

When is the Warmest Sea for Hersonissos?

According to our data for the last three years for Hersonissos 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 Hersonissos was 82.8°F. The maximum and minimum values were 81.8°F and 84.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Hersonissos was 82.2°F. The maximum and minimum values were 79.2°F and 85.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Hersonissos was 81.0°F. The maximum and minimum values were 78.6°F and 83.4°F respectively.

Best Time to Visit Hersonissos
The most sunny months:
July 30 days
August 30 days
June 27 days
The most warm months:
August 87.6 °F
July 87.6 °F
September 83.3 °F
Warmest sea temperature:
August 82.9 °F
July 81.6 °F
September 81.1 °F
The most cold months:
January 58.1 °F
February 59.1 °F
December 61.5 °F
The most rainy months:
January 5 days
December 4 days
February 4 days
The most windy months:
January 11 mph
July 11 mph
August 10 mph

Hersonissos on the Weather Map

Greece Resorts:
NAME
Athenes +68
Bali Gr +56
Chalkidiki +74
Chania +68
Corfu +74
Crete +68
Hanioti +74
Heraklion +72
Hersonissos +72
Paralia Katerini +66
Rhodes +72
Sithonia +74
Thasos +70
Thessaloniki +70
Zakynthos +78
24 Hours Weather Forecast
Hersonissos
Local time: 06:31
20 jun, saturday
0900 74°F
SE
17 mph
1200 76°F
SE
17 mph
1500 78°F
SE
15 mph
1800 76°F
SE
16 mph
2100 72°F
SE
14 mph
21 jun, sunday
0000 70°F
E
10 mph
0300 70°F
SE
11 mph
0600 70°F
SE
12 mph

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