The highest day temperature in January 2026 was 68°F. The lowest night temperature was 39°F. The average values for day and night temperatures during January were 58.8°F и 50.7°F respectivly.

The average sea surface temperature in January 2026 for Hersonissos was 64.5°F. The maximum and minimum values were 63.0°F and 66.2°F respectively.

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

Precipitation total in January for Hersonissos is 2.4 in. It makes january the most rainy month of the year.

The average wind speed in January is 10.6 mph. It makes January the most windy month of the year for Hersonissos.

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 Hersonissos in January is 6.2 hours.