The highest day temperature in January 2025 was 64°F. The lowest night temperature was 55°F. The average values for day and night temperatures during January were 60.8°F и 60.1°F respectivly.

The average sea surface temperature in January 2025 for Kos was 67.1°F. The maximum and minimum values were 66.2°F and 68.2°F respectively.

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

Precipitation total in January for Kos is 4.0 in. It makes january the most rainy month of the year.

The average wind speed in January is 17.1 mph. It makes January the most windy 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 January is 6.1 hours.