Measurements:
°C
°F
Zakynthos
58°F
E 1 mph
Feels like: 58°F
Precip: 0%
World Resorts Greece Zakynthos Weather

Zakynthos Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in April: 69.8°F
Minimum Sea Water Temperature in April: 59.4°F
Average water temperature in April: 63.3°F

Sea Water Temperature for the Last 10 Days:

April 20 64.8°F April 15 63.0°F
April 19 63.6°F April 14 63.2°F
April 18 63.6°F April 13 63.6°F
April 17 64.0°F April 12 63.2°F
April 16 63.6°F April 11 63.4°F

When is the Warmest Sea for Zakynthos?

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

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 Zakynthos was 81.9°F. The maximum and minimum values were 79.8°F and 83.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Zakynthos was 81.4°F. The maximum and minimum values were 79.0°F and 83.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Zakynthos was 81.8°F. The maximum and minimum values were 79.0°F and 85.0°F respectively.

Best Time to Visit Zakynthos
The most sunny months:
July 31 days
August 30 days
June 27 days
The most warm months:
August 89.5 °F
July 88.3 °F
September 83.1 °F
Warmest sea temperature:
August 83.6 °F
September 81.8 °F
July 81.2 °F
The most cold months:
January 57.2 °F
February 58.0 °F
March 60.3 °F
The most rainy months:
November 6 days
February 5 days
December 5 days
The most windy months:
January 12 mph
February 11 mph
November 11 mph

Zakynthos on the Weather Map

Greece Resorts:
NAME
Athenes +56
Athos +58
Chalkidiki +58
Chania +54
Corfu +60
Crete +58
Heraklion +56
Kassandra +60
Lefkada +60
Paralia Katerini +52
Rhodes +58
Santorini +64
Thasos +56
Thessaloniki +54
Zakynthos +58
24 Hours Weather Forecast
Zakynthos
Local time: 06:22
21 apr, tuesday
0900 60°F
NE
3 mph
1200 62°F
NE
6 mph
1500 64°F
NE
8 mph
1800 62°F
NE
7 mph
2100 60°F
NE
6 mph
22 apr, wednesday
0000 60°F
N
6 mph
0300 60°F
N
6 mph
0600 60°F
N
6 mph