Current sea water temperature:
+73.9°F
| Minimum sea water temperature in June: | 77.9°F |
| Maximum sea water temperature in June: | 66.6°F |
| Average sea water temperature in June: | 73.1°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| June 25 | 73.9°F | June 20 | 72.9°F |
| June 24 | 73.2°F | June 19 | 73.2°F |
| June 23 | 73.2°F | June 18 | 73.9°F |
| June 22 | 73.4°F | June 17 | 73.2°F |
| June 21 | 73.2°F | June 16 | 73.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Kos?
Based on the data about daily sea water temperature for the last three years the warmest sea in Kos was noticed in August, September and July.
Monthly Sea Temperatures in Kos, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 81.0°F and 76.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.2°F. The highest and lowest sea temperatures during the month were 77.5°F and 74.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.1°F. The highest and lowest sea temperatures during the month were 79.3°F and 73.0°F.
current
weather
weather
| Kos |
weather in
June
June
| Kos |
Best time for vacation in Kos
Kos on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Kos
Local time: 08:06
June 26, friday
0900
75°F
SE
12 mph
12 mph
1200
77°F
SE
12 mph
12 mph
1500
77°F
SE
14 mph
14 mph
1800
77°F
E
9 mph
9 mph
2100
77°F
SW
5 mph
5 mph
June 27, saturday
0000
75°F
SE
8 mph
8 mph
0300
75°F
SE
11 mph
11 mph
0600
75°F
S
11 mph
11 mph
