Kos Sea Temperature
Greece · Updated hourly from satellite and marine data
Current Sea Temperature
23.9°C
Comfortable for snorkeling
Sea Surface Temperature Over the Year
Sea surface temperature in Kos ranges from about 23.6°C in June to 23.6°C in June. The water is warmest in late summer and coolest in winter.
Over the past 30 days, the average sea temperature in Kos has been 23.6°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| Jun | — | — | — |
Based on recent forecast data collected for Kos.
Kos Water Temperature — Common Questions
What is the sea temperature in Kos today?
The current sea surface temperature in Kos is 23.9°C. Over the last 30 days, the average has been 23.6°C.
When is the water warmest in Kos?
The warmest sea temperatures in Kos occur in June, averaging around 23.6°C. Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.
When is the water coldest in Kos?
The coldest sea temperatures are in June, averaging around 23.6°C.
Can you swim in Kos today?
Yes — at 23.9°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Kos.
View Snorkel Forecast →