April weather forecastCalw, Germany
April
Weather in April
April is a refreshing spring month in Calw, Germany, with temperature in the range of an average low of 5.2°C (41.4°F) and an average high of 15.5°C (59.9°F).Temperature
In Calw, the onset of April comes with an increased average high-temperature, moving from March's cool 10°C (50°F) to a moderate 15.5°C (59.9°F). The average temperature during April nights is registered at a cold 5.2°C (41.4°F).Humidity
In Calw, the average relative humidity in April is 73%.Rainfall
In Calw, in April, during 12.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 160.4 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Calw. During 0.6 snowfall days, in April, Calw aggregates 7mm (0.28") of snow. Throughout the year, in Calw, there are 28.5 snowfall days, and 224mm (8.82") of snow is accumulated.Daylight
The average length of the day in April in Calw is 13h and 43min.On the first day of April in Calw, sunrise is at 07:01 and sunset at 19:56. On the last day of the month, sunrise is at 06:05 and sunset at 20:38 CEST.
Sunshine
The average sunshine in April in Calw is 9.1h.UV index
In April, the average daily maximum UV index in Calw, Germany, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun 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
Calw, Germany
- Average high temperature in April: 15.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in April: 5.2°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in April
Calw, Germany
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in April
Calw, Germany
- Average wind speed in April: 9.6km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.3km/h).
Average humidity in April
Calw, Germany
- Average humidity in April: 73%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in April
Calw, Germany
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in April
Calw, Germany
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in April
Calw, Germany
- Average snowfall in April: 7mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Calw, Germany
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (8.8 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
Calw, 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 24min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in April
Calw, Germany
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in April
Calw, Germany
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Calw, Germany
- Average cloud cover in April: 38
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Calw, Germany
- Average visibility in April: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
