The highest day temperature in June 2025 was 86°F. The lowest night temperature was 68°F. The average values for day and night temperatures during June were 78.0°F и 75.1°F respectivly.

The average sea surface temperature in June 2025 for Kos was 74.2°F. The maximum and minimum values were 70.0°F and 76.8°F respectively.

Almost all days in June are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in June for Kos is 0.2 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 13.2 mph. It makes June one of the most windless months of the year for Kos.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Kos in June is 13.6 hours.