The highest day temperature in January 2025 was 59°F. The lowest night temperature was 39°F. The average values for day and night temperatures during January were 53.5°F и 49.8°F respectivly.

The average sea surface temperature in January 2025 for Sithonia was 58.8°F. The maximum and minimum values were 57.8°F and 59.6°F respectively.

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

Precipitation total in January for Sithonia is 2.4 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 9.6 mph. It makes January one of the most windy months of the year for Sithonia.

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 Sithonia in January is 5.7 hours.