May weather forecastNynäshamn, Sweden

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.

Frequently asked questions

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.

In May, the average day length in Nynäshamn, Sweden, is 16h and 56min.

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

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 54min

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).