May weather forecastMarstrand, Sweden
May
Weather in May
Sea temperature
In Marstrand, Sweden, the average seawater temperature in May is 11.2°C (52.2°F).Note: To swim in 11.2°C (52.2°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
In Marstrand, Sweden, the average length of the day in May is 16h and 43min.On the first day of the month, sunrise is at 05:19 and sunset at 21:01. On the last day of May, sunrise is at 04:21 and sunset at 22:01 CEST.
Updated: Feb 1, 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 Marstrand, in May, the average water temperature is 11.2°C (52.2°F). Swimming in 11.2°C (52.2°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.
In May, the average day length in Marstrand, Sweden, is 16h and 43min.
In May, on the first day of the month, sunrise is at 05:19 and sunset at 21:01. On the last day of the month, in Marstrand, Sweden, sunrise is at 04:21 and sunset at 22:01 CEST.
Average sea temperature in May
Marstrand, Sweden
- Average sea temperature in May: 11.2°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 (2.6°C).
Average daylight in May
Marstrand, Sweden
- Average daylight in May: 16h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).





