Weather in January
Holbæk,
Denmark, steps into the New Year under a typically cold and breezy Nordic winter. One major factor influencing the city's climate this time of year is the frosty Baltic Sea, registering a chilly 2.1°C (35.8°F). These icy waters reinforce the overall low temperatures in the city, making
January an ideal month for indoor activities. Additionally, the snow-clad landscapes offer a perfect setting for winter photography. As the month progresses, so does the anticipation of milder weather and increased daylight.
Sea temperature
The month with the coldest seawater in Holbæk is January, with an average sea temperature of 2.1°C (35.8°F).
Note: When swimming, this state is excessively cold, posing a lethal risk. Absent the protection of insulated waterproof wear, hypothermia is likely to occur immediately.
Daylight
In January, the average length of the day is 7h and 47min.
On the first day of January in Holbæk, sunrise is at 08:42 and sunset at 15:50. On the last day of the month, sunrise is at 08:09 and sunset at 16:43 CET.