Measurements:
°C
°F
Hersonissos
58°F
SE 9 mph
Feels like: 56°F
Precip: 100%
World Resorts Greece Hersonissos Weather

Hersonissos Sea Water Temperature

Current Sea Water Temperature:
+62.8°F
Maximum Sea Water Temperature in April: 69.0°F
Minimum Sea Water Temperature in April: 60.8°F
Average water temperature in April: 64.1°F

Sea Water Temperature for the Last 10 Days:

April 05 62.8°F March 31 62.8°F
April 04 63.2°F March 30 63.0°F
April 03 63.0°F March 29 63.0°F
April 02 62.8°F March 28 63.0°F
April 01 61.8°F March 27 63.0°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 +60
Athos +60
Chalkidiki +58
Chania +60
Corfu +60
Crete +46
Heraklion +58
Kassandra +60
Mykonos +60
Paralia Katerini +60
Rhodes +58
Santorini +62
Thasos +54
Thessaloniki +58
Zakynthos +56
24 Hours Weather Forecast
Hersonissos
Local time: 08:30
06 apr, monday
0900 58°F
SE
9 mph
1200 62°F
SE
11 mph
1500 62°F
SE
12 mph
1800 60°F
SE
11 mph
2100 56°F
SE
8 mph
07 apr, tuesday
0000 54°F
E
6 mph
0300 52°F
E
7 mph
0600 50°F
E
6 mph

Looking for the Best Resort?