April weather forecastKarlsruhe, Germany
April
Weather in April
Weather in Karlsruhe during April witnesses a continued rise in temperature, signifying a complete switch to spring. By now, the landscape transforms entirely from its winter white to a vivid panorama, with blossoming trees adding a splash of color to the cityscape. Gone are the snow and frost, making way for regular April showers, which usher in a fresh lease of life into the flora of the city. Despite sporadic rain, pleasant weather dominates the majority of the month. The increasing daylight hours coupled with moderate temperatures, make this the ideal time for outdoor activities.Temperature
April's arrival brings a temperature shift, moving from a fresh 10.7°C (51.3°F) in March to a refreshing 16.3°C (61.3°F). In the month of April, the average low-temperature usually rests at a chilly 6.2°C (43.2°F).Humidity
In April, the average relative humidity is 70%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.4 days and typically collects 17mm (0.67") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Karlsruhe, the average length of the day in April is 13h and 44min.On the first day of the month, sunrise is at 07:02 and sunset at 19:57. On the last day of April, in Karlsruhe, sunrise is at 06:06 and sunset at 20:41 CEST.
Sunshine
In April, the average sunshine in Karlsruhe is 9.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In April, an average UV index of 4 transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Karlsruhe, Germany
- Average high temperature in April: 16.3°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in April: 6.2°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in April
Karlsruhe, Germany
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in April
Karlsruhe, Germany
- Average wind speed in April: 10km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in April
Karlsruhe, Germany
- Average humidity in April: 70%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in April
Karlsruhe, Germany
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Karlsruhe, Germany
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is September (10 days).
Average snowfall in April
Karlsruhe, Germany
- Average snowfall in April: 0mm
The month with the highest snowfall is December (44mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in April
Karlsruhe, Germany
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Karlsruhe, Germany
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
Karlsruhe, Germany
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (13 days).
Average UV index in April
Karlsruhe, Germany
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Karlsruhe, Germany
- Average cloud cover in April: 37
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Karlsruhe, Germany
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).








