Current Sea Water Temperature:
+72.8°F
| Maximum Sea Water Temperature in June: | 81.0°F |
| Minimum Sea Water Temperature in June: | 68.4°F |
| Average water temperature in June: | 75.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| June 03 | 72.8°F | May 28 | 71.6°F |
| June 01 | 72.6°F | May 27 | 71.4°F |
| May 31 | 71.8°F | May 26 | 70.8°F |
| May 30 | 72.0°F | May 25 | 70.4°F |
| May 29 | 71.8°F | May 24 | 69.4°F |
When is the Warmest Sea for Kos?
According to our data for the last three years for Kos 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 Kos was 81.7°F. The maximum and minimum values were 79.0°F and 84.4°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Kos was 79.1°F. The maximum and minimum values were 77.4°F and 80.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Kos was 80.1°F. The maximum and minimum values were 75.6°F and 82.6°F respectively.
Greece Resorts:
NAME
F°
| Athenes |  |
+84 |
| Bali Gr |  |
+80 |
| Chalkidiki | |
+76 |
| Chania | |
+80 |
| Corfu | |
+74 |
| Crete | |
+70 |
| Hanioti | |
+82 |
| Heraklion | |
+78 |
| Hersonissos | |
+78 |
| Kassandra | |
+78 |
| Paralia Katerini | |
+82 |
| Rhodes | |
+78 |
| Thasos | |
+72 |
| Thessaloniki | |
+84 |
| Zakynthos | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Kos
Local time: 18:09
03 jun, wednesday
| 2100 |  |
74°F | NE 7 mph |
04 jun, thursday
| 0000 | |
72°F | NE 6 mph |
| 0300 | |
72°F | N 6 mph |
| 0600 |  |
72°F | N 6 mph |
| 0900 | |
72°F | NE 7 mph |
| 1200 | |
74°F | N 11 mph |
| 1500 | |
74°F | NE 9 mph |
| 1800 | |
76°F | N 6 mph |