Measurements:
°C
°F
Eretria
76°F
N 5 mph
Feels like: 80°F
Precip: 4%
World Resorts Greece Eretria Weather

Eretria Sea Water Temperature

Current Sea Water Temperature:
+68.0°F
Maximum Sea Water Temperature in November: 75.8°F
Minimum Sea Water Temperature in November: 62.4°F
Average water temperature in November: 69.2°F

Sea Water Temperature for the Last 10 Days:

November 14 68.0°F November 09 68.8°F
November 13 68.4°F November 08 69.2°F
November 12 68.6°F November 07 69.6°F
November 11 68.2°F November 06 69.8°F
November 10 67.8°F November 05 70.2°F

When is the Warmest Sea for Eretria?

According to our data for the last three years for Eretria 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Eretria was 82.9°F. The maximum and minimum values were 81.2°F and 84.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Eretria was 82.6°F. The maximum and minimum values were 79.0°F and 84.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Eretria was 80.9°F. The maximum and minimum values were 76.8°F and 84.2°F respectively.

Best Time to Visit Eretria
The most sunny months:
July 29 days
August 29 days
June 26 days
The most warm months:
July 93.8 °F
August 92.5 °F
June 87.6 °F
Warmest sea temperature:
August 83.1 °F
July 82.1 °F
September 80.5 °F
The most cold months:
January 53.5 °F
February 56.1 °F
December 57.2 °F
The most rainy months:
February 4 days
December 4 days
January 3 days
The most windy months:
August 8 mph
February 7 mph
January 7 mph

Eretria on the Weather Map

Greece Resorts:
NAME
F°
Athenes +76
Bali Gr +74
Chalkidiki +70
Chania +78
Corfu +68
Crete +74
Hanioti +72
Hersonissos +76
Paralia Katerini +74
Possidi +72
Rhodes +70
Sithonia +70
Thasos +72
Thessaloniki +72
Zakynthos +72
24 Hours Weather Forecast
Eretria
Local time: 12:41
14 nov, saturday
1500 76°F
NE
6 mph
1800 68°F
NE
0 mph
2100 64°F
S
2 mph
15 nov, sunday
0000 62°F
S
7 mph
0300 60°F
SE
5 mph
0600 60°F
S
5 mph
0900 62°F
S
5 mph
1200 64°F
S
5 mph