Weather in January
January opens the year with cold temperatures in
Kalundborg,
Denmark. The sea, with an average temperature of 2.3°C (36.1°F), shares the chilly bite of the air. This brisk period requires warm clothing, with locals often seen in thermal attire for comfort. The winter wonderland spectacle attracts photographers, despite the meager daylight hours. As the month concludes, locals eagerly anticipate a slight relief from the chill.
Sea temperature
With an average sea temperature of 2.3°C (36.1°F), January is the month with the coldest seawater in Kalundborg.
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
Daylight
The average length of the day in January is 7h and 47min.
On the first day of January in Kalundborg, sunrise is at 08:44 and sunset at 15:53. On the last day of the month, sunrise is at 08:11 and sunset at 16:46 CET.