Current sea water temperature:
+68.9°F
| Minimum sea water temperature in December: | 71.1°F |
| Maximum sea water temperature in December: | 63.5°F |
| Average sea water temperature in December: | 67.4°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| December 27 | 68.9°F | December 22 | 68.9°F |
| December 26 | 68.7°F | December 21 | 68.9°F |
| December 25 | 68.9°F | December 20 | 69.1°F |
| December 24 | 68.7°F | December 19 | 69.1°F |
| December 23 | 68.9°F | December 18 | 68.9°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: 00:06
December 28, sunday
0300
52°F
S
27 mph
27 mph
0600
52°F
S
22 mph
22 mph
0900
52°F
S
19 mph
19 mph
1200
54°F
SE
16 mph
16 mph
1500
57°F
SE
14 mph
14 mph
1800
57°F
SE
11 mph
11 mph
2100
59°F
SE
17 mph
17 mph
December 29, monday
0000
59°F
SE
14 mph
14 mph
