May
Weather in May
Sea temperature
In May, the average sea temperature in Nynäshamn, Sweden, is 7.8°C (46°F).Note: Danger awaits those who swim in 7.8°C (46°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
In Nynäshamn, the average length of the day in May is 16h and 56min.On the first day of the month, sunrise is at 04:49 and sunset at 20:40. On the last day of May, in Nynäshamn, sunrise is at 03:47 and sunset at 21:44 CEST.
Updated: Feb 2, 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
How cold is the water in May in Nynäshamn?
In Nynäshamn, Sweden, the average seawater temperature in May is 7.8°C (46°F). Swimming in 7.8°C (46°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.
What is the average length of the day in May in Nynäshamn?
In May, the average day length in Nynäshamn, Sweden, is 16h and 56min.
When is the sunrise / sunset in May in Nynäshamn?
On the first day of May, sunrise is at 04:49 and sunset at 20:40. On the last day of the month, sunrise is at 03:47 and sunset at 21:44 CEST.
Average sea temperature in May
Nynäshamn, Sweden
- Average sea temperature in May: 7.8°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in May
Nynäshamn, Sweden
- Average daylight in May: 16h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
