May weather forecastRissa, Norway
May
Weather in May
Sea temperature
In May, the average sea temperature in Rissa, Norway, is 8.4°C (47.1°F).Note: In 8.4°C (47.1°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
In May, the average length of the day in Rissa is 18h and 16min.On the first day of the month, sunrise is at 04:53 and sunset at 21:40. On the last day of May, in Rissa, sunrise is at 03:25 and sunset at 23:10 CEST.
Updated: Jan 27, 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 Rissa, in May, the average water temperature is 8.4°C (47.1°F). 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.
In Rissa, the average day length in May is 18h and 16min.
On the first day of May in Rissa, sunrise is at 04:53 and sunset at 21:40. On the last day of the month, sunrise is at 03:25 and sunset at 23:10 CEST.
Average sea temperature in May
Rissa, Norway
- Average sea temperature in May: 8.4°C
The best month for swimming (with the highest average sea temperature) is August (14.2°C).
The coldest month (with the lowest average sea temperature) is March (5.4°C).
Average daylight in May
Rissa, Norway
- Average daylight in May: 18h and 18min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 42min).





