The highest day temperature in January 2025 was 60°F. The lowest night temperature was 43°F. The average values for day and night temperatures during January were 54.0°F и 53.9°F respectivly.

The average sea surface temperature in January 2025 for Skiathos was 59.8°F. The maximum and minimum values were 58.6°F and 61.2°F respectively.

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

Precipitation total in January for Skiathos is 2.5 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 12.5 mph. It makes January the most windy month of the year for Skiathos.

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 Skiathos in January is 5.7 hours.