Current sea water temperature:
+67.3°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: | 64.6°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| January 2 | 67.3°F | December 28 | 68.7°F |
| January 1 | 68.0°F | December 27 | 68.9°F |
| December 31 | 67.8°F | December 26 | 68.7°F |
| December 30 | 68.2°F | December 25 | 68.9°F |
| December 29 | 68.2°F | December 24 | 68.7°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: 14:12
January 02, friday
1500

48°F
S
4 mph
4 mph
1800

50°F
NW
2 mph
2 mph
2100

54°F
N
7 mph
7 mph
January 03, saturday
0000

55°F
N
12 mph
12 mph
0300

55°F
N
16 mph
16 mph
0600

57°F
NW
22 mph
22 mph
0900

59°F
N
21 mph
21 mph
1200

61°F
N
24 mph
24 mph



























