The highest day temperature in January 2026 was 60°F. The lowest night temperature was 38°F. The average values for day and night temperatures during January were 55.3°F и 45.4°F respectivly.

The average sea surface temperature in January 2026 for Porto Cervo was 58.7°F. The maximum and minimum values were 56.8°F and 60.6°F respectively.

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

Precipitation total in January for Porto Cervo is 1.9 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 11.0 mph. It makes January the most windy month of the year for Porto Cervo.

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 Porto Cervo in January is 5.9 hours.