World Resorts Greece Eretria Weather

Eretria sea water temperature

Current sea water temperature:
+61.3°F
Minimum sea water temperature in January: 62.4°F
Maximum sea water temperature in January: 55.2°F
Average sea water temperature in January: 58.7°F

Sea water temperature for the last 10 days:

January 11 61.3°F January 6 61.5°F
January 10 60.6°F January 5 61.9°F
January 9 61.5°F January 4 61.7°F
January 8 61.2°F January 3 61.9°F
January 7 61.3°F January 2 62.1°F

When is the warmest sea in Eretria?

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

Monthly Sea Temperatures in Eretria, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.1°F. The highest and lowest sea temperatures during the month were 81.1°F and 77.5°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 82.4°F and 77.5°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 79.3°F and 74.7°F.

Best time for vacation in Eretria

Sunniest months:
July 29 days
August 29 days
June 26 days
Warmest months:
July 89.6 °F
August 88.5 °F
June 83.9 °F
Warmest sea temp:
August 79.8 °F
July 78.9 °F
September 77.4 °F
Coldest months:
January 53.1 °F
February 55.4 °F
December 56.5 °F
Rainiest months:
February 4 days
December 4 days
January 3 days
Windiest months:
August 8.7 mph
February 7.8 mph
January 7.8 mph

Eretria on a weather map

Eretria
+34°F
S 9 mph
Feels like: +27°F
Precip.: 100%
Places in Greece:
Name
°F
+39°F
+37°F
+52°F
+48°F
+46°F
+46°F
+46°F
+46°F
+50°F
+30°F
+55°F
+34°F
+34°F
+50°F
24 Hours Forecast
Eretria
Local time: 04:11
January 12, monday
0600
32°F
S
7 mph
0900
37°F
SE
11 mph
1200
37°F
SE
12 mph
1500
41°F
S
17 mph
1800
37°F
S
8 mph
2100
36°F
SE
7 mph
January 13, tuesday
0000
36°F
SE
7 mph
0300
34°F
E
4 mph
Units of measurement: °C / °F