World Resorts Greece Athens Weather

Athens sea water temperature

Current sea water temperature:
+79.9°F
Minimum sea water temperature in September: 81.7°F
Maximum sea water temperature in September: 75.2°F
Average sea water temperature in September: 78.4°F

Sea water temperature for the last 10 days:

September 15 79.9°F September 10 79.2°F
September 14 80.1°F September 9 79.7°F
September 13 79.7°F September 8 79.7°F
September 12 79.5°F September 7 80.4°F
September 11 79.3°F September 6 79.9°F

When is the warmest sea in Athens?

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

Monthly Sea Temperatures in Athens, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 79.6°F. The highest and lowest sea temperatures during the month were 81.9°F and 78.1°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 79.5°F. The highest and lowest sea temperatures during the month were 82.6°F and 75.9°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 80.1°F. The highest and lowest sea temperatures during the month were 81.3°F and 79.2°F.

Best time for vacation in Athens

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
July 91.5 °F
August 90.6 °F
June 85.8 °F
Warmest sea temp:
August 80.2 °F
July 78.9 °F
September 78.4 °F
Coldest months:
January 54.4 °F
February 56.5 °F
December 57.6 °F
Rainiest months:
January 3 days
February 3 days
December 3 days
Windiest months:
August 10.3 mph
July 9.2 mph
February 9.0 mph

Athens on a weather map

Athens
+68°F
S 11 mph
Feels like: +68°F
Precip.: 11%
Places in Greece:
Name
°F
+68°F
+61°F
+66°F
+73°F
+73°F
+63°F
+70°F
+70°F
+66°F
+70°F
+64°F
+70°F
+70°F
+64°F
24 Hours Forecast
Athens
Local time: 07:03
September 16, wednesday
0900
70°F
S
13 mph
1200
73°F
SW
17 mph
1500
75°F
SW
19 mph
1800
73°F
SW
16 mph
2100
68°F
S
8 mph
September 17, thursday
0000
66°F
S
6 mph
0300
64°F
S
6 mph
0600
63°F
S
7 mph

Best place for vacation:

Units of measurement: °C / °F