The highest day temperature in January 2026 was 38°F. The lowest night temperature was 23°F. The average values for day and night temperatures during January were 31.2°F и 30.1°F respectivly.

The average sea surface temperature in January 2026 for Copenhagen was 35.2°F. The maximum and minimum values were 32.2°F and 39.2°F respectively.

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

Precipitation total in January for Copenhagen is 1.7 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 14.0 mph. It makes January the most windy month of the year for Copenhagen.

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 Copenhagen in January is 2.6 hours.