December weather forecastHeikendorf, Germany

December

Weather in December

Sea temperature

In Heikendorf, Germany, in December, the average water temperature is 5.3°C (41.5°F).
Note: It is risky to swim in 5.3°C (41.5°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.

Daylight

The month with the shortest days is December, with an average of 7h and 24min of daylight.
On the first day of the month, sunrise is at 08:17 and sunset at 15:59. On the last day of December, sunrise is at 08:40 and sunset at 16:04 CET.

Frequently asked questions

In Heikendorf, Germany, in December, the average water temperature is 5.3°C (41.5°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.

With an average of 7h and 24min of daylight, December has the shortest days of the year in Heikendorf.

In Heikendorf, the average day length in December is 7h and 25min.

On the first day of December in Heikendorf, Germany, sunrise is at 08:17 and sunset at 15:59. On the last day of the month, sunrise is at 08:40 and sunset at 16:04 CET.
Average sea temperature
Average daylight

Average sea temperature in December
Heikendorf, Germany

  • Average sea temperature in December: 5.3°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is January (2.7°C).

Average daylight in December
Heikendorf, Germany

  • Average daylight in December: 7h and 24min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).