Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, Mertert's average high-temperature sees a rise, moving from March's frosty 9.1°C (48.4°F) to a mild 14.2°C (57.6°F). Throughout April, the nighttime temperature averages to a wintry 4.5°C (40.1°F).Humidity
The months with the lowest humidity in Mertert, Luxembourg, are April and August, with an average relative humidity of 76%.Rainfall
In Mertert, during April, the rain falls for 14.4 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, in Mertert, there are 170 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
Months with snowfall in Mertert are January through April, October through December. April is the last month it regularly snows in Mertert. During 0.5 snowfall days, in April, Mertert aggregates 2mm (0.08") of snow. Throughout the year, in Mertert, there are 28.8 snowfall days, and 214mm (8.43") of snow is accumulated.Daylight
The average length of the day in April in Mertert, Luxembourg, is 13h and 47min.On the first day of April in Mertert, sunrise is at 07:09 and sunset at 20:06. On the last day of the month, sunrise is at 06:11 and sunset at 20:50 CEST.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the temperatures in Mertert in April?
What are the least humid months in Mertert?
What is the average humidity in April in Mertert?
How many days does it rain in April in Mertert?
What is the last month it snows in Mertert?
How many hours of daylight does Mertert have in April?
When are sunrise and sunset in April in Mertert?
How many hours of sunshine does Mertert have in April?
What is the UV index reading in April in Mertert?
Average temperature in April
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, Luxembourg
- Average daylight in April: 13h and 5min
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 2min
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
Mertert, 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
Mertert, 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
Mertert, 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
Mertert, 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).
Mertert, Luxembourg
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