The highest day temperature in January 2026 was 52°F. The lowest night temperature was 31°F. The average values for day and night temperatures during January were 44.8°F и 41.9°F respectivly.

The average sea surface temperature in January 2026 for Rovinj was 53.7°F. The maximum and minimum values were 51.8°F and 56.2°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Rovinj is 2.2 in.

The average wind speed in January is 8.0 mph. This value is relatively stable throughout the year.

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 Rovinj in January is 5.0 hours.