January weather forecastHeikendorf, Germany

January

Weather in January

Sea temperature

With an average sea temperature of 2.7°C (36.9°F), January is the month with the coldest seawater in Heikendorf, Germany.
Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.

Daylight

The average length of the day in January is 8h and 1min.
On the first day of the month, sunrise is at 08:40 and sunset at 16:04. On the last day of January, in Heikendorf, sunrise is at 08:09 and sunset at 16:55 CET.

Frequently asked questions

January is the month with the coldest seawater, with an average sea temperature of 2.7°C (36.9°F).

In January, the average sea temperature is 2.7°C (36.9°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.

In January, the average day length in Heikendorf is 8h and 1min.

On the first day of January, sunrise is at 08:40 and sunset at 16:04. On the last day of the month, sunrise is at 08:09 and sunset at 16:55 CET.
Average sea temperature
Average daylight

Average sea temperature in January
Heikendorf, Germany

  • Average sea temperature in January: 2.7°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 January
Heikendorf, Germany

  • Average daylight in January: 8h and 0min

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).