April weather forecastAtteln, Germany
April
Weather in April
April is a refreshing spring month in Atteln, Germany, with an average temperature varying between 14°C (57.2°F) and 3.9°C (39°F).Temperature
Atteln's transition into April is marked by a temperature shift, moving from a frosty 8.4°C (47.1°F) in March to a moderate 14°C (57.2°F). An average temperature of 3.9°C (39°F) marks the nights in April.Humidity
The average relative humidity in April in Atteln, Germany, is 76%.Rainfall
In April, the rain falls for 12.4 days. Throughout April, 24mm (0.94") of precipitation is accumulated. In Atteln, during the entire year, the rain falls for 165.7 days and collects up to 456mm (17.95") of precipitation.Snowfall
January through May, October through December are months with snowfall in Atteln. In Atteln, during April, snow falls for 1.3 days and regularly aggregates up to 11mm (0.43") of snow. Throughout the year, in Atteln, there are 34.4 snowfall days, and 288mm (11.34") of snow is accumulated.Daylight
In Atteln, the average length of the day in April is 13h and 54min.On the first day of the month, sunrise is at 06:58 and sunset at 19:58. On the last day of April, sunrise is at 05:56 and sunset at 20:47 CEST.
Sunshine
The average sunshine in April in Atteln is 8.4h.UV index
In Atteln, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 in April translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Atteln, Germany
- Average high temperature in April: 14°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in April: 3.9°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in April
Atteln, Germany
- Average pressure in April: 1016mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in April
Atteln, Germany
- Average wind speed in April: 10.2km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in April
Atteln, Germany
- Average humidity in April: 76%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Atteln, Germany
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in April
Atteln, Germany
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in April
Atteln, Germany
- Average snowfall in April: 11mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Atteln, Germany
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Atteln, Germany
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in April
Atteln, Germany
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is January (9.4 days).
Average UV index in April
Atteln, Germany
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Atteln, Germany
- Average cloud cover in April: 45
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in April
Atteln, Germany
- Average visibility in April: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, October and December (7km).





