Weather in January
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. Weather in January »
Weather in February
In Heikendorf, Germany, the average seawater temperature in February is 3.1°C (37.6°F). Note: In the event of swimming, this state is extremely frigid, dangerous, and poses a significant risk to life. Weather in February »
Weather in March
In Heikendorf, Germany, the average seawater temperature in March is 3.5°C (38.3°F). Note: During swimming sessions, this situation poses an instant life risk. Weather in March »
Weather in April
In April, the average sea temperature in Heikendorf, Germany, is 7.3°C (45.1°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. Weather in April »
Weather in May
In Heikendorf, Germany, in May, the average water temperature is 11.8°C (53.2°F). Note: Caution: 11.8°C (53.2°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in May »
Weather in June
In Heikendorf, Germany, the average seawater temperature in June is 16.3°C (61.3°F). Note: For the majority, swimming in water with a temperature of 16.3°C (61.3°F) is not enjoyable. Weather in June »
Weather in July
In Heikendorf, Germany, the average seawater temperature in July is 18.1°C (64.6°F). Note: For most people, a water temperature of 18.1°C (64.6°F) is not conducive to enjoyable swimming. Weather in July »
Weather in August
The month with the warmest seawater in Heikendorf, Germany, is August, with an average sea temperature of 18.4°C (65.1°F). Note: For swimming, a surface water temperature of 18.4°C (65.1°F) is not enjoyable for the majority. Weather in August »
Weather in September
In Heikendorf, Germany, in September, the average water temperature is 17°C (62.6°F). Note: Swimming in 17°C (62.6°F) is not a pleasurable activity for the majority of people. Weather in September »
Weather in October
In Heikendorf, Germany, the average seawater temperature in October is 13.3°C (55.9°F). Note: Danger awaits those who swim in 13.3°C (55.9°F) without protection. Weather in October »
Weather in November
In Heikendorf, Germany, in November, the average water temperature is 9.4°C (48.9°F). Note: Swimming at temperatures less than 10°C (50°F) in 9.4°C (48.9°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in November »
Weather in December
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. Weather in December »
[Resources]Frequently asked questions
What month is the sea coldest in Heikendorf?
January is the month with the coldest seawater, with an average sea temperature of 2.7°C (36.9°F).
When are the longest days in Heikendorf?
With an average of 17h and 6min of daylight, June has the longest days of the year.
What month is the sea warmest in Heikendorf?
August is the month with the warmest seawater, with an average sea temperature of 18.4°C (65.1°F).
When is Daylight Saving Time (DST) in Heikendorf?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Heikendorf?
With an average of 7h and 24min of daylight, December has the shortest days of the year in Heikendorf.
Average sea temperature
Heikendorf, Germany
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
Heikendorf, Germany
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 1min
- Average daylight in July:
16h and 4min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 3min - Average daylight in November:
8h and 3min - Average daylight in December:
7h and 2min
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).
Heikendorf, Germany
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