April weather forecastAltrier, Luxembourg
April
Weather in April
April is a moderate spring month in Altrier, Luxembourg, with an average temperature ranging between min 4.5°C (40.1°F) and max 14.2°C (57.6°F).Temperature
With the arrival of April, the average high-temperature transitions from a frosty 9.1°C (48.4°F) in March to a moderate 14.2°C (57.6°F). Altrier witnesses a consistent average low-temperature of 4.5°C (40.1°F) throughout April.Humidity
April and August, with an average relative humidity of 76%, are the least humid months in Altrier.Rainfall
In Altrier, in April, during 14.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 170 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Altrier. April is the last month it regularly snows. During 0.5 snowfall days, in April, Altrier aggregates 2mm (0.08") of snow. Throughout the year, in Altrier, there are 28.8 snowfall days, and 214mm (8.43") of snow is accumulated.Daylight
The average length of the day in April in Altrier, Luxembourg, is 13h and 47min.On the first day of the month, sunrise is at 07:10 and sunset at 20:06. On the last day of April, in Altrier, sunrise is at 06:12 and sunset at 20:51 CEST.
Sunshine
In April, the average sunshine in Altrier is 8.4h.UV index
The average daily maximum UV index in April in Altrier, Luxembourg, is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 3 in April transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Altrier, Luxembourg
- Average high temperature in April: 14.2°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in April: 4.5°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 (-1.3°C).
Average pressure in April
Altrier, Luxembourg
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in April
Altrier, Luxembourg
- Average wind speed in April: 11.2km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in April
Altrier, Luxembourg
- Average humidity in April: 76%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in April
Altrier, Luxembourg
- Average rainfall in April: 35mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in April
Altrier, Luxembourg
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in April
Altrier, Luxembourg
- Average snowfall in April: 2mm
The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in April
Altrier, Luxembourg
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (7.9 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
Altrier, Luxembourg
- Average daylight in April: 13h and 48min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in April
Altrier, Luxembourg
- Average sunshine days in April: 13 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in April
Altrier, 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
Altrier, Luxembourg
- Average cloud cover in April: 41
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
Altrier, 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 November and December (7km).
