The highest day temperature in May 2023 was 79°F. The lowest night temperature was 62°F. The average values for day and night temperatures during May were 69.2°F и 66.2°F respectivly.

The average sea surface temperature in May 2023 for Kos was 67.4°F. The maximum and minimum values were 64.6°F and 71.4°F respectively.

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation total in May for Kos is 0.5 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 11.4 mph. It makes May the most windless month 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 May is 12.1 hours.