April weather forecastHanko, Finland

Weather in April

April's weather in Hanko communicates the valiant return of spring. The thawing process accelerates in the sea, with an average temperature climbing to approximately 1.7°C (35.1°F). An increase in daylight hours hints at prolonged periods of sunlight, lighting up the city for longer stretches. April in Hanko also brings a notable decrease in snowfall, replaced by a sporadic display of April showers. The cityscape starts transforming from winter's monochrome to hues of springtime bloom.

Sea temperature

In Hanko, the average seawater temperature in April is 1.7°C (35.1°F).
Note: During the act of swimming, this is a direct threat to life. Breathing becomes erratic and cognitive abilities decline rapidly. The importance of a specialized swimsuit to minimize thermal loss is paramount.

Daylight

In April, the average length of the day is 14h and 36min.
On the first day of April in Hanko, sunrise is at 06:51 and sunset at 20:12. On the last day of the month, sunrise is at 05:27 and sunset at 21:22 EEST.