Current sea water temperature:
+65.7°F
| Minimum sea water temperature in January: | 68.2°F |
| Maximum sea water temperature in January: | 61.7°F |
| Average sea water temperature in January: | 64.7°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| January 15 | 65.7°F | January 10 | 66.4°F |
| January 14 | 65.8°F | January 9 | 66.6°F |
| January 13 | 66.0°F | January 8 | 67.3°F |
| January 12 | 66.2°F | January 7 | 66.6°F |
| January 11 | 66.2°F | January 6 | 66.6°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 |
Best time for vacation in Kos
Kos on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Kos
Local time: 13:33
January 15, thursday
1500
57°F
E
3 mph
3 mph
1800
57°F
S
1 mph
1 mph
2100
55°F
SW
3 mph
3 mph
January 16, friday
0000
55°F
SW
2 mph
2 mph
0300
55°F
SW
3 mph
3 mph
0600
55°F
W
2 mph
2 mph
0900
55°F
W
4 mph
4 mph
1200
57°F
N
4 mph
4 mph
