Current Sea Water Temperature:
+80.4°F
| Maximum Sea Water Temperature in July: | 87.0°F |
| Minimum Sea Water Temperature in July: | 75.0°F |
| Average water temperature in July: | 81.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 28 | 80.4°F | July 23 | 84.8°F |
| July 27 | 81.4°F | July 22 | 85.2°F |
| July 26 | 81.2°F | July 21 | 84.4°F |
| July 25 | 82.6°F | July 20 | 84.8°F |
| July 24 | 84.4°F | July 19 | 84.6°F |
When is the Warmest Sea for Cephalonia?
According to our data for the last three years for Cephalonia the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Cephalonia was 81.2°F. The maximum and minimum values were 78.6°F and 83.4°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Cephalonia was 80.2°F. The maximum and minimum values were 78.8°F and 81.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Cephalonia was 82.8°F. The maximum and minimum values were 80.4°F and 85.2°F respectively.
Greece Resorts:
NAME
F°
| Athenes |  |
+90 |
| Bali Gr | |
+88 |
| Chalkidiki | |
+82 |
| Chania | |
+88 |
| Corfu | |
+84 |
| Crete | |
+80 |
| Hanioti | |
+82 |
| Heraklion | |
+86 |
| Hersonissos | |
+84 |
| Paralia Katerini | |
+86 |
| Rhodes | |
+86 |
| Sithonia | |
+82 |
| Thasos | |
+76 |
| Thessaloniki | |
+84 |
| Zakynthos | |
+82 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cephalonia
Local time: 07:58
29 jul, wednesday
| 0900 |  |
84°F | NW 4 mph |
| 1200 | |
88°F | N 2 mph |
| 1500 | |
90°F | E 4 mph |
| 1800 | |
90°F | E 6 mph |
| 2100 |  |
84°F | SE 6 mph |
30 jul, thursday
| 0000 | |
82°F | W 0 mph |
| 0300 | |
80°F | N 1 mph |
| 0600 | |
80°F | W 2 mph |