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

October weather forecast and climate
Marstal, Denmark

Sea temperature

In Marstal, Denmark, the average seawater temperature in October is 12.8°C (55°F).
Note: Swimming in 12.8°C (55°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in October in Marstal, Denmark, is 10.5h.

How cold is the water in October in Marstal?

In Marstal, Denmark, the average seawater temperature in October is 12.8°C (55°F). Swimming in 12.8°C (55°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 Marstal have in October?

The average length of the day in October in Marstal is 10.5h.
Average sea temperature in October - Marstal, Denmark
  • Average sea temperature in October: 12.8°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 October - Marstal, Denmark
  • Average daylight in October: 10.5h

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