Measurements:
°C
°F
Zakynthos
82°F
SE 3 mph
Feels like: 86°F
Precip: 8%
World Resorts Greece Zakynthos Weather

Zakynthos Sea Water Temperature

Current Sea Water Temperature:
+84.2°F
Maximum Sea Water Temperature in August: 88.0°F
Minimum Sea Water Temperature in August: 79.8°F
Average water temperature in August: 83.6°F

Sea Water Temperature for the Last 10 Days:

August 19 84.2°F August 14 84.8°F
August 18 83.8°F August 13 85.0°F
August 17 83.4°F August 12 84.6°F
August 16 84.0°F August 11 84.6°F
August 15 85.0°F August 10 84.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Zakynthos was 83.5°F. The maximum and minimum values were 81.6°F and 85.0°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Zakynthos was 83.3°F. The maximum and minimum values were 81.4°F and 85.6°F respectively.

Best Time to Visit Zakynthos
The most sunny months:
July 30 days
August 30 days
June 28 days
The most warm months:
August 89.5 °F
July 88.0 °F
September 83.1 °F
Warmest sea temperature:
August 83.6 °F
September 81.8 °F
July 81.3 °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 +80
Bali Gr +72
Chalkidiki +80
Chania +76
Corfu +84
Crete +72
Hanioti +80
Heraklion +74
Paralia Katerini +74
Pefkochori +80
Rhodes +78
Sithonia +80
Thasos +74
Thessaloniki +78
Zakynthos +82
24 Hours Weather Forecast
Zakynthos
Local time: 03:26
20 aug, thursday
0600 82°F
S
4 mph
0900 80°F
SW
2 mph
1200 88°F
E
3 mph
1500 88°F
E
10 mph
1800 82°F
SE
12 mph
2100 82°F
SE
5 mph
21 aug, friday
0000 84°F
E
3 mph
0300 84°F
S
6 mph