April weather forecastPernå, Finland
April
Weather in April
Sea temperature
In Pernå, Finland, the average seawater temperature in April is 1.6°C (34.9°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 40min.On the first day of April in Pernå, Finland, sunrise is at 06:38 and sunset at 20:00. On the last day of the month, sunrise is at 05:12 and sunset at 21:13 EEST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Pernå, the average seawater temperature in April is 1.6°C (34.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
In Pernå, the average day length in April is 14h and 40min.
On the first day of April, sunrise is at 06:38 and sunset at 20:00. On the last day of the month, sunrise is at 05:12 and sunset at 21:13 EEST.
Average sea temperature in April
Pernå, Finland
- Average sea temperature in April: 1.6°C
The best month for swimming (with the highest average sea temperature) is July (18.8°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.1°C).
Average daylight in April
Pernå, Finland
- Average daylight in April: 14h and 42min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
