May weather forecast and climate
Borgholm, Sweden SE

• Average sea temperature in May: 8°C

The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

• Average daylight in May: 16.5h

The month with the longest days is June (Average daylight: 17.7h).
The month with shortest days is December (Average daylight: 6.9h).