March weather forecastNynäshamn, Sweden
March
Weather in March
Sea temperature
In March, the average sea temperature in Nynäshamn, Sweden, is 1.2°C (34.2°F).Note: In the course of swimming, this situation is life-threatening and fraught with risk. The severe cold of the water leads to immediate hyperventilation. Wearing a specialized swimsuit is critical to limit thermal injury.
Daylight
In Nynäshamn, the average length of the day in March is 11h and 51min.On the first day of the month, sunrise is at 06:42 and sunset at 17:18. On the last day of March, sunrise is at 05:15 and sunset at 18:28 CET.
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
In Nynäshamn, in March, the average water temperature is 1.2°C (34.2°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
The average day length in March in Nynäshamn is 11h and 51min.
In March, on the first day of the month, sunrise is at 06:42 and sunset at 17:18. On the last day of the month, in Nynäshamn, Sweden, sunrise is at 05:15 and sunset at 18:28 CET.
Average sea temperature in March
Nynäshamn, Sweden
- Average sea temperature in March: 1.2°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 March
Nynäshamn, Sweden
- Average daylight in March: 11h 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).





