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
Weather in April
Temperature
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a fresh 10.8°C (51.4°F) to an enjoyable 16.3°C (61.3°F). Viernheim, during the nights of April, experiences an average temperature drop to a frosty 6.2°C (43.2°F).Humidity
In Viernheim, Germany, the average relative humidity in April is 69%.Rainfall
The month with the least rainfall is April, when the rain falls for 11.6 days and typically collects 20mm (0.79") of precipitation.Snowfall
April through September are months without snowfall in Viernheim, Germany.Daylight
In Viernheim, the average length of the day in April is 13h and 46min.On the first day of the month, sunrise is at 07:01 and sunset at 19:57. On the last day of April, in Viernheim, sunrise is at 06:03 and sunset at 20:41 CEST.
Sunshine
In April, the average sunshine in Viernheim is 9.3h.UV index
In Viernheim, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average April temperature in Viernheim?
What is the average humidity in April in Viernheim?
What is the driest month in Viernheim?
How much does it rain in Viernheim in April?
When it does not snow in Viernheim?
Does it snow in Viernheim in April?
What is the average length of the day in April in Viernheim?
When is the sunrise / sunset in April in Viernheim?
How many hours of sunshine does Viernheim have in April?
How high is the UV index in April in Viernheim?
Average temperature in April
Viernheim, Germany
- Average high temperature in April: 16.3°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in April: 6.2°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in April
Viernheim, Germany
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in April
Viernheim, Germany
- Average wind speed in April: 10.4km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in April
Viernheim, Germany
- Average humidity in April: 69%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in April
Viernheim, Germany
- Average rainfall in April: 20mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in April
Viernheim, Germany
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in April
Viernheim, Germany
- Average snowfall in April: 0mm
The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in April
Viernheim, Germany
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Viernheim, Germany
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in April
Viernheim, Germany
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in April
Viernheim, Germany
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Viernheim, Germany
- Average cloud cover in April: 37
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Viernheim, Germany
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Viernheim, Germany
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