Current sea water temperature:
+64.4°F
| Minimum sea water temperature in April: | 67.8°F |
| Maximum sea water temperature in April: | 60.1°F |
| Average sea water temperature in April: | 63.5°F |
| more information | |
14 days
forecast
forecast
| Kos |
monthly
weather
weather
| Kos |
Sea water temperature for the last 10 days:
| April 26 | 64.4°F | April 21 | 64.0°F |
| April 25 | 64.6°F | April 20 | 63.9°F |
| April 24 | 63.9°F | April 19 | 63.7°F |
| April 23 | 64.6°F | April 18 | 63.3°F |
| April 22 | 64.2°F | April 17 | 64.0°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
April
April
| Kos |
Best time for vacation in Kos
Kos on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Kos
Local time: 19:46
April 26, sunday
2100

66°F
SW
4 mph
4 mph
April 27, monday
0000

64°F
SE
11 mph
11 mph
0300

63°F
SE
16 mph
16 mph
0600

63°F
SE
15 mph
15 mph
0900

63°F
S
14 mph
14 mph
1200

66°F
S
14 mph
14 mph
1500

68°F
SE
17 mph
17 mph
1800

68°F
SE
17 mph
17 mph



























