April weather forecastGrefrath, Germany
April
Weather in April
April is a refreshing spring month in Grefrath, Germany, with an average temperature varying between 15.3°C (59.5°F) and 6.3°C (43.3°F).Temperature
With the onset of April, the average high-temperature subtly transitions from a fresh 10.5°C (50.9°F) in March to a refreshing 15.3°C (59.5°F). Grefrath usually reports an average low-temperature of 6.3°C (43.3°F) during the month of April.Humidity
April and August, with an average relative humidity of 73%, are the least humid months.Rainfall
April is the month with the least rainfall. Rain falls for 12.2 days and accumulates 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall in Grefrath, Germany.Daylight
In April, the average length of the day is 13h and 53min.On the first day of April in Grefrath, sunrise is at 07:08 and sunset at 20:08. On the last day of the month, sunrise is at 06:07 and sunset at 20:56 CEST.
Sunshine
In Grefrath, Germany, the average sunshine in April is 8.5h.UV index
In Grefrath, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grefrath, Germany
- Average high temperature in April: 15.3°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in April: 6.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in April
Grefrath, Germany
- Average pressure in April: 1015.9mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in April
Grefrath, Germany
- Average wind speed in April: 12.1km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest months (with the lowest average wind speed) are July and August (11.2km/h).
Average humidity in April
Grefrath, Germany
- Average humidity in April: 73%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in April
Grefrath, Germany
- Average rainfall in April: 24mm
The wettest months (with the highest rainfall) are June, July and December (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in April
Grefrath, Germany
- Average rainfall days in April: 12.2 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is April (12.2 days).
Average snowfall in April
Grefrath, Germany
- Average snowfall in April: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Grefrath, Germany
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Grefrath, Germany
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in April: 8h and 30min
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 36min).
Average sunshine days in April
Grefrath, Germany
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Grefrath, Germany
- Average UV index in April: 3
The months with the highest UV index are 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
Grefrath, Germany
- Average cloud cover in April: 40
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Grefrath, Germany
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).








