April weather forecastAltefähr, Germany
April
Weather in April
April is a cool spring month in Altefähr, Germany, with temperature in the range of an average low of 5.3°C (41.5°F) and an average high of 10.5°C (50.9°F).Temperature
The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a frosty 6°C (42.8°F) in March to a cool 10.5°C (50.9°F). Altefähr throughout April, records an average low-temperature of 5.3°C (41.5°F).Humidity
The average relative humidity in April is 77%.Rainfall
The month with the least rainfall in Altefähr is April, when the rain falls for 11.6 days and typically collects 15mm (0.59") of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Altefähr. During 0.8 snowfall days, in April, Altefähr aggregates 4mm (0.16") of snow. Throughout the year, there are 26.4 snowfall days, and 117mm (4.61") of snow is accumulated.Sea temperature
In Altefähr, the average seawater temperature in April is 5.6°C (42.1°F).Note: It is life-risking to swim in 5.6°C (42.1°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In Altefähr, the average length of the day in April is 14h and 6min.On the first day of the month, sunrise is at 06:38 and sunset at 19:44. On the last day of April, sunrise is at 05:30 and sunset at 20:38 CEST.
Sunshine
In Altefähr, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in April translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Altefähr, Germany
- Average high temperature in April: 10.5°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in April: 5.3°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in April
Altefähr, Germany
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is September (1016.1mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in April
Altefähr, Germany
- Average wind speed in April: 18.4km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is August (16.5km/h).
Average humidity in April
Altefähr, Germany
- Average humidity in April: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in April
Altefähr, Germany
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in April
Altefähr, Germany
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in April
Altefähr, Germany
- Average snowfall in April: 4mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Altefähr, Germany
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Altefähr, Germany
- Average sea temperature in April: 5.6°C
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is February (2.6°C).
Average daylight in April /
Average sunshine in April
Altefähr, 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: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Altefähr, Germany
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in April
Altefähr, Germany
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Altefähr, Germany
- Average cloud cover in April: 38
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Altefähr, Germany
- Average visibility in April: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
