April weather forecastHamm, Luxembourg
April
Weather in April
April in Hamm, Luxembourg, is a moderate spring month, with temperature in the range of an average low of 4.6°C (40.3°F) and an average high of 14.1°C (57.4°F).Temperature
In Hamm, the average high-temperature in April rises, from a frosty 9.1°C (48.4°F) in March, to a refreshing 14.1°C (57.4°F). Hamm, in April, observes a steady average low-temperature of 4.6°C (40.3°F).Humidity
In April, the average relative humidity is 77%.Rainfall
April is the month with the least rainfall in Hamm. Rain falls for 13.5 days and accumulates 33mm (1.3") of precipitation.Snowfall
January through May, October through December are months with snowfall in Hamm. In Hamm, Luxembourg, in April, snow falls for 0.4 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, in Hamm, there are 28 snowfall days, and 235mm (9.25") of snow is accumulated.Daylight
The average length of the day in April in Hamm is 13h and 46min.On the first day of April, sunrise is at 07:10 and sunset at 20:07. On the last day of the month, sunrise is at 06:13 and sunset at 20:51 CEST.
Sunshine
In Hamm, Luxembourg, the average sunshine in April is 8.3h.UV index
In Hamm, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hamm, Luxembourg
- Average high temperature in April: 14.1°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in April: 4.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in April
Hamm, Luxembourg
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in April
Hamm, Luxembourg
- Average wind speed in April: 11.5km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in April
Hamm, Luxembourg
- Average humidity in April: 77%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
Hamm, Luxembourg
- Average rainfall in April: 33mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in April
Hamm, Luxembourg
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in April
Hamm, Luxembourg
- Average snowfall in April: 1mm
The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Hamm, Luxembourg
- Average snowfall days in April: 0.4 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hamm, Luxembourg
- Average daylight in April: 13h and 48min
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: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Hamm, Luxembourg
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Hamm, Luxembourg
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Hamm, Luxembourg
- Average cloud cover in April: 42
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in April
Hamm, Luxembourg
- Average visibility in April: 9km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).





