Weather in April
April displays a considerable leap in warmth in
Kalundborg with the average sea temperature recording 6.8°C (44.2°F), as spring solidifies its reign. This transformation elicits more enthusiasm for outdoor activities. The floral bloom in various city parks dances under the amplified daylight, offering a visually appealing spectacle. April also marks a significant break from the chilly winter days, setting the stage for the forthcoming mellow warmth.
Sea temperature
In April, the average sea temperature in Kalundborg is 6.8°C (44.2°F).
Note: Diving into 6.8°C (44.2°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
In Kalundborg, the average length of the day in April is 14h and 13min.
On the first day of April, sunrise is at 06:44 and sunset at 19:53. On the last day of the month, sunrise is at 05:33 and sunset at 20:52 CEST.