World Resorts Greece Zakynthos Weather

Zakynthos sea water temperature

Current sea water temperature:
+66.4°F
Minimum sea water temperature in December: 70.0°F
Maximum sea water temperature in December: 61.3°F
Average sea water temperature in December: 65.4°F

Sea water temperature for the last 10 days:

December 4 66.4°F November 29 67.3°F
December 3 66.6°F November 28 67.6°F
December 2 66.9°F November 27 68.2°F
December 1 66.9°F November 26 68.2°F
November 30 67.1°F November 25 68.5°F

When is the warmest sea in Zakynthos?

Based on the data about daily sea water temperature for the last three years the warmest sea in Zakynthos was noticed in August, September and July.

Monthly Sea Temperatures in Zakynthos, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 78.7°F. The highest and lowest sea temperatures during the month were 80.4°F and 76.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.3°F. The highest and lowest sea temperatures during the month were 79.7°F and 76.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 78.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 76.1°F.

Best time for vacation in Zakynthos

Sunniest months:
July 31 days
August 30 days
June 27 days
Warmest months:
August 85.5 °F
July 84.5 °F
September 79.8 °F
Warmest sea temp:
August 80.3 °F
September 78.6 °F
July 78.1 °F
Coldest months:
January 56.7 °F
February 57.4 °F
March 59.6 °F
Rainiest months:
November 6 days
December 6 days
February 5 days
Windiest months:
January 11.8 mph
February 11.1 mph
December 10.8 mph

Zakynthos on a weather map

Zakynthos
+55°F
S 8 mph
Feels like: +54°F
Precip.: 100%
Places in Greece:
Name
°F
+59°F
+57°F
+61°F
+61°F
+55°F
+55°F
+63°F
+52°F
+66°F
+61°F
+59°F
+57°F
+54°F
+57°F
24 Hours Forecast
Zakynthos
Local time: 04:59
December 05, friday
0600
55°F
S
8 mph
0900
55°F
SE
12 mph
1200
57°F
SE
14 mph
1500
57°F
SE
12 mph
1800
61°F
SE
9 mph
2100
61°F
S
6 mph
December 06, saturday
0000
61°F
SE
6 mph
0300
61°F
SE
6 mph
Units of measurement: °C / °F