Marstal
Denmark
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Marstal, Denmark

Sea temperature

In April, the average sea temperature in Marstal, Denmark, is 7.1°C (44.8°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Marstal, the average length of the day in April is 14.2h.

How cold is the water in April in Marstal?

In Marstal, the average seawater temperature in April is 7.1°C (44.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in April in Marstal?

The average length of the day in April is 14.2h.
Average sea temperature in April - Marstal, Denmark
  • Average sea temperature in April: 7.1°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 January (2.3°C).

Average daylight in April - Marstal, Denmark
  • Average daylight in April: 14.2h

The month with the longest days is June (Average daylight: 17.2h).
The month with shortest days is December (Average daylight: 7.3h).