April
Weather in April
Sea temperature
In Langesund, Norway, the average seawater temperature in April is 6.6°C (43.9°F).Note: Taking a dip in 6.6°C (43.9°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
In Langesund, the average length of the day in April is 14h and 31min.On the first day of the month, sunrise is at 06:45 and sunset at 20:03. On the last day of April, sunrise is at 05:24 and sunset at 21:11 CEST.
Updated: Jan 26, 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
What is the sea water temperature in April in Langesund?
In April, the average sea temperature in Langesund, Norway, is 6.6°C (43.9°F). Swimming in 6.6°C (43.9°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.
How many hours of daylight does Langesund have in April?
In April, the average day length in Langesund is 14h and 31min.
When are sunrise and sunset in April in Langesund?
In April, on the first day of the month, sunrise is at 06:45 and sunset at 20:03. On the last day of the month, sunrise is at 05:24 and sunset at 21:11 CEST.
Average sea temperature in April
Langesund, Norway
- Average sea temperature in April: 6.6°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in April
Langesund, Norway
- Average daylight in April: 14h and 3min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
