The highest day temperature in January 2026 was 40°F. The lowest night temperature was 17°F. The average values for day and night temperatures during January were 29.7°F и 26.7°F respectivly.

The average sea surface temperature in January 2026 for Rostock was 36.8°F. The maximum and minimum values were 34.4°F and 39.0°F respectively.

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

Precipitation total in January for Rostock is 1.9 in.

The average wind speed in January is 13.6 mph. It makes January the most windy month of the year for Rostock.

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 Rostock in January is 2.6 hours.