Weather in April
The month of
April in
Koper speaks volumes about the inspirational transition seasons offer. A comforting warmth diffuses into the sea, with the temperature rising to 13.1°C (55.6°F). April presents longer daylight hours, complementing the rebirth of flora dispelled by the winter frost. Outdoor activities surge in popularity as Koper's beauty unfolds. The city's physical and social landscapes echo this revitalization, cherishing the spring's arrival.
Sea temperature
In Koper, in April, the average water temperature is 13.1°C (55.6°F).
Note: Beware when you're in 13.1°C (55.6°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In Koper,
Slovenia, the average length of the day in April is 13h and 32min.
On the first day of the month, sunrise is at 06:44 and sunset at 19:33. On the last day of April, in Koper, sunrise is at 05:53 and sunset at 20:10 CEST.