May weather forecastPernå, Finland
May
Weather in May
Sea temperature
In Pernå, Finland, the average seawater temperature in May is 7.1°C (44.8°F).Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
Daylight
The average length of the day in May is 17h and 18min.On the first day of May, sunrise is at 05:09 and sunset at 21:16. On the last day of the month, sunrise is at 04:00 and sunset at 22:26 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, in May, the average water temperature is 7.1°C (44.8°F). Swimming in 7.1°C (44.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
The average day length in May in Pernå, Finland, is 17h and 18min.
In May, on the first day of the month, sunrise is at 05:09 and sunset at 21:16. On the last day of the month, sunrise is at 04:00 and sunset at 22:26 EEST.
Average sea temperature in May
Pernå, Finland
- Average sea temperature in May: 7.1°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 May
Pernå, Finland
- Average daylight in May: 17h and 18min
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).
