April weather forecastHeiligenhafen, Germany

April

Weather in April

April is a frosty spring month in Heiligenhafen, Germany, with an average temperature fluctuating between 5.8°C (42.4°F) and 8.8°C (47.8°F).

Temperature

Heiligenhafen perceives a slight temperature ascent during April, with average high-temperatures adjusting from a cold 5.3°C (41.5°F) in March to a chilly 8.8°C (47.8°F). April nights in Heiligenhafen document an average temperature reading of 5.8°C (42.4°F).

Humidity

The average relative humidity in April in Heiligenhafen is 80%.

Rainfall

April is the month with the least rainfall. Rain falls for 10 days and accumulates 19mm (0.75") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Heiligenhafen, Germany. April is the last month it regularly snows. During 0.6 snowfall days, in April, Heiligenhafen aggregates 2mm (0.08") of snow. Throughout the year, there are 16 snowfall days, and 66mm (2.6") of snow is accumulated.

Sea temperature

In April, the average sea temperature in Heiligenhafen is 7°C (44.6°F).
Note: Diving into 7°C (44.6°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.

Daylight

In Heiligenhafen, the average length of the day in April is 14h and 6min.
On the first day of the month, sunrise is at 06:46 and sunset at 19:52. On the last day of April, sunrise is at 05:38 and sunset at 20:47 CEST.

Sunshine

In April, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in April in Heiligenhafen is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 3 in April translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

In Heiligenhafen, 8.8°C (47.8°F) is the average high-temperature and 5.8°C (42.4°F) is the average low-temperature during April.

In Heiligenhafen, the average relative humidity in April is 80%.

April is the month with the least rainfall in Heiligenhafen. Rain falls for 10 days and accumulates 19mm (0.75") of precipitation.

In Heiligenhafen, Germany, during April, the rain falls for 10 days and regularly aggregates up to 19mm (0.75") of precipitation.

April is the last month it regularly snows in Heiligenhafen. During 0.6 snowfall days, in April, Heiligenhafen aggregates 2mm (0.08") of snow.

In Heiligenhafen, in April, the average water temperature is 7°C (44.6°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.

In Heiligenhafen, the average day length in April is 14h and 6min.

In April, on the first day of the month, sunrise is at 06:46 and sunset at 19:52. On the last day of the month, in Heiligenhafen, Germany, sunrise is at 05:38 and sunset at 20:47 CEST.

In Heiligenhafen, Germany, the average sunshine duration in April is 8.8h.

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Heiligenhafen, Germany

  • Average high temperature in April: 8.8°C

The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is February (3°C).

  • Average low temperature in April: 5.8°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).

Average pressure in April
Heiligenhafen, Germany

  • Average pressure in April: 1015.7mbar

The months with the highest atmospheric pressure are April, May and September (1015.7mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in April
Heiligenhafen, Germany

  • Average wind speed in April: 21.5km/h

The windiest month (with the highest average wind speed) is December (29.9km/h).
The calmest month (with the lowest average wind speed) is June (20.9km/h).

Average humidity in April
Heiligenhafen, Germany

  • Average humidity in April: 80%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (77%).

Average rainfall in April
Heiligenhafen, Germany

  • Average rainfall in April: 19mm

The wettest month (with the highest rainfall) is August (64mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in April
Heiligenhafen, Germany

  • Average rainfall days in April: 10 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in April
Heiligenhafen, Germany

  • Average snowfall in April: 2mm

The month with the highest snowfall is January (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April
Heiligenhafen, Germany

  • Average snowfall days in April: 0.6 days

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in April
Heiligenhafen, Germany

  • Average sea temperature in April: 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 (2.4°C).

Average daylight in April /
Average sunshine in April
Heiligenhafen, Germany

  • Average daylight in April: 14h and 6min

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).

  • Average sunshine in April: 8h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in April
Heiligenhafen, Germany

  • Average sunshine days in April: 17.3 days

The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is November (8.6 days).

Average UV index in April
Heiligenhafen, Germany

  • Average UV index in April: 3

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
Heiligenhafen, Germany

  • Average cloud cover in April: 40

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in April
Heiligenhafen, Germany

  • Average visibility in April: 10km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).