Weather in January
Sea temperature
In January, the average sea temperature in Nynäshamn, Sweden, is 1.8°C (35.2°F).Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly.
Daylight
In Nynäshamn, the average length of the day in January is 7h and 8min.On the first day of January in Nynäshamn, sunrise is at 08:40 and sunset at 15:02. On the last day of the month, sunrise is at 07:59 and sunset at 16:03 CET.
Frequently asked questions
What is the sea temperature in January in Nynäshamn?
In Nynäshamn, in January, the average water temperature is 1.8°C (35.2°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
How many hours of daylight does Nynäshamn have in January?
The average day length in January is 7h and 8min.
What time are sunrise and sunset in January in Nynäshamn?
In January, on the first day of the month, sunrise is at 08:40 and sunset at 15:02. On the last day of the month, in Nynäshamn, Sweden, sunrise is at 07:59 and sunset at 16:03 CET.
Average sea temperature in January
Nynäshamn, Sweden
- Average sea temperature in January: 1.8°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 January
Nynäshamn, Sweden
- Average daylight in January: 7h and 1min
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).
Nynäshamn, Sweden
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
