World Resorts Greece Athens Weather

Athens sea water temperature

Current sea water temperature:
+78.6°F
Minimum sea water temperature in August: 83.7°F
Maximum sea water temperature in August: 77.7°F
Average sea water temperature in August: 80.2°F

Sea water temperature for the last 10 days:

August 6 78.6°F August 1 79.7°F
August 5 78.4°F July 31 80.1°F
August 4 78.6°F July 30 80.6°F
August 3 78.4°F July 29 80.8°F
August 2 79.0°F July 28 80.4°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:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 78.3°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:
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 75.6°F.

Best time for vacation in Athens

Sunniest months:
July 30 days
August 29 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
+81°F
S 6 mph
Feels like: +81°F
Precip.: 1%
Places in Greece:
Name
°F
+81°F
+66°F
+84°F
+73°F
+81°F
+79°F
+79°F
+84°F
+82°F
+86°F
+82°F
+82°F
+75°F
+73°F
24 Hours Forecast
Athens
Local time: 20:58
August 06, thursday
2100
81°F
S
6 mph
August 07, friday
0000
79°F
S
6 mph
0300
77°F
S
7 mph
0600
77°F
S
7 mph
0900
86°F
S
6 mph
1200
93°F
S
8 mph
1500
95°F
S
9 mph
1800
93°F
SW
7 mph

Best place for vacation:

Units of measurement: °C / °F