Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
With the onset of April, Altenahr's weather sees a temperature rise, transitioning from a frosty 8.4°C (47.1°F) in March to a mild 13.8°C (56.8°F). April witnesses an average nighttime temperature of 4.2°C (39.6°F) in Altenahr, Germany.Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
April and September are months with the least rain when the rain falls for 14.4 days and typically aggregates up to 34mm (1.34") of rain.Snowfall
Months with snowfall are January through May, October through December. In Altenahr, in April, snow falls for 1.7 days, with typically accumulated 7mm (0.28") of snow. Throughout the year, in Altenahr, there are 50.4 snowfall days, and 511mm (20.12") of snow is accumulated.Daylight
In Altenahr, the average length of the day in April is 13h and 50min.On the first day of April, sunrise is at 07:06 and sunset at 20:04. On the last day of the month, sunrise is at 06:07 and sunset at 20:51 CEST.
Sunshine
In Altenahr, Germany, the average sunshine in April is 8.5h.UV index
In Altenahr, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Altenahr in April?
What is the least humid month in Altenahr?
What is the average humidity in April in Altenahr?
What is the driest month in Altenahr?
How much does it rain in Altenahr in April?
How much does it snow in Altenahr in April?
How many hours of daylight does Altenahr have in April?
What time are sunrise and sunset in April in Altenahr?
How long on average sun shines in April in Altenahr?
What is the UV index reading in April in Altenahr?
Average temperature in April
Altenahr, Germany
- Average high temperature in April: 13.8°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in April: 4.2°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in April
Altenahr, Germany
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in April
Altenahr, Germany
- Average wind speed in April: 10.5km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in April
Altenahr, Germany
- Average humidity in April: 76%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Altenahr, Germany
- Average rainfall in April: 34mm
The wettest months (with the highest rainfall) are May and June (65mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in April
Altenahr, Germany
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in April
Altenahr, Germany
- Average snowfall in April: 7mm
The month with the highest snowfall is February (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Altenahr, Germany
- Average snowfall days in April: 1.7 days
The months with the highest number of snowfall days are January and February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Altenahr, Germany
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in April
Altenahr, Germany
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in April
Altenahr, 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, November and December (UV index 2).
Average cloud cover in April
Altenahr, Germany
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in April
Altenahr, Germany
- Average visibility in April: 9km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, October, November and December (7km).
