Current sea water temperature:
+77.9°F
| Minimum sea water temperature in September: | 80.4°F |
| Maximum sea water temperature in September: | 71.8°F |
| Average sea water temperature in September: | 77.1°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| September 14 | 77.9°F | September 9 | 75.9°F |
| September 13 | 77.0°F | September 8 | 76.8°F |
| September 12 | 76.3°F | September 7 | 76.3°F |
| September 11 | 76.3°F | September 6 | 76.6°F |
| September 10 | 76.3°F | September 5 | 76.6°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 76.9°F. The highest and lowest sea temperatures during the month were 79.0°F and 73.0°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.5°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: 18:16
September 14, monday
2100
75°F
SE
23 mph
23 mph
September 15, tuesday
0000
75°F
SE
23 mph
23 mph
0300
75°F
S
18 mph
18 mph
0600
73°F
S
19 mph
19 mph
0900
73°F
SE
16 mph
16 mph
1200
73°F
SE
15 mph
15 mph
1500
73°F
SE
20 mph
20 mph
1800
75°F
SE
19 mph
19 mph
