April weather forecastGrethem, Germany
April
Weather in April
April in Grethem, Germany, is a mild spring month, with temperature in the range of an average low of 5.1°C (41.2°F) and an average high of 15.1°C (59.2°F).Temperature
The arrival of April brings an increase in high-temperatures, moving from a frosty 9.2°C (48.6°F) in March to a mild 15.1°C (59.2°F). April generally records an average low-temperature of 5.1°C (41.2°F).Humidity
In Grethem, the average relative humidity in April is 72%.Rainfall
The month with the least rainfall in Grethem, Germany, is April, when the rain falls for 11.6 days and typically collects 16mm (0.63") of precipitation.Snowfall
January through April, November and December are months with snowfall in Grethem. April is the last month it regularly snows. During 0.8 snowfall days, in April, Grethem aggregates 2mm (0.08") of snow. In Grethem, during the entire year, snow falls for 20.7 days and aggregates up to 143mm (5.63") of snow.Daylight
The average length of the day in April is 13h and 59min.On the first day of the month, sunrise is at 06:54 and sunset at 19:56. On the last day of April, in Grethem, sunrise is at 05:50 and sunset at 20:47 CEST.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index in Grethem is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grethem, Germany
- Average high temperature in April: 15.1°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in April: 5.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in April
Grethem, Germany
- Average pressure in April: 1016mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in April
Grethem, Germany
- Average wind speed in April: 13.7km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in April
Grethem, Germany
- Average humidity in April: 72%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in April
Grethem, Germany
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in April
Grethem, Germany
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in April
Grethem, Germany
- Average snowfall in April: 2mm
The month with the highest snowfall is December (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Grethem, Germany
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (5.8 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
Grethem, Germany
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- 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 12min).
Average sunshine days in April
Grethem, Germany
- Average sunshine days in April: 15.6 days
The months with the most sunshine days are August and September (16.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in April
Grethem, Germany
- Average UV index in April: 4
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
Grethem, Germany
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Grethem, Germany
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
