Luxembourg City
Luxembourg
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Luxembourg City, Luxembourg

A scenic morning panorama of the rocky city of Luxembourg, in Luxembourg with a partly clear sky
A scenic morning panorama of the rocky city of Luxembourg, in Luxembourg with a partly clear sky
April is a mild spring month in Luxembourg City, Luxembourg, with average temperature fluctuating between 13.3°C (55.9°F) and 4.4°C (39.9°F).

Temperature

In Luxembourg City, the average high-temperature marginally rises, from a chilly 9.1°C (48.4°F) in March, to a mild 13.3°C (55.9°F). In Luxembourg City, in April, the average low-temperature is 4.4°C (39.9°F).

Humidity

The average relative humidity in Luxembourg City is 68%.

Rainfall

April is the month with the least rainfall. Rain falls for 15.5 days and accumulates 58.2mm (2.3") of precipitation.

Daylight

In Luxembourg City, the average length of the day in April is 13.8h.

Sunshine

In April, the average sunshine in Luxembourg City is 6.1h.

UV index

In Luxembourg City, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in April in Luxembourg City?

The average high-temperature, in April, in Luxembourg City, Luxembourg, is 13.3°C (55.9°F), while the average low-temperature is 4.4°C (39.9°F).

What is the average humidity in April in Luxembourg City?

In April, the average relative humidity in Luxembourg City, Luxembourg, is 68%.

How much does it rain in Luxembourg City in April?

In Luxembourg City, Luxembourg, during April, the rain falls for 15.5 days and regularly aggregates up to 58.2mm (2.3") of precipitation.

What is the driest month in Luxembourg City?

April is the month with the least rainfall in Luxembourg City. Rain falls for 15.5 days and accumulates 58.2mm (2.3") of precipitation.

What is the average length of the day in April in Luxembourg City?

In Luxembourg City, the average length of the day in April is 13.8h.

How long on average sun shines in April in Luxembourg City?

The average sunshine in April in Luxembourg City is 6.1h.

How high is the UV index in April in Luxembourg City?

In April, the average daily maximum UV index in Luxembourg City, Luxembourg, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Luxembourg City, Luxembourg
  • Average high temperature in April: 13.3°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in April: 4.4°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average humidity in April - Luxembourg City, Luxembourg
  • Average humidity in April: 68%

Months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (67%).

Average rainfall in April - Luxembourg City, Luxembourg
  • Average rainfall in April: 58.2mm

The wettest month (with the highest rainfall) is October (86.8mm).
The driest month (with the lowest rainfall) is April (58.2mm).

Average rainfall days in April - Luxembourg City, Luxembourg
  • Average rainfall days in April: 15.5 days

The month with the highest number of rainy days is January (18.3 days).
The month with the lowest number of rainy days is July (12.5 days).

Average daylight in April / Average sunshine in April - Luxembourg City, Luxembourg
  • Average daylight in April: 13.8h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.2h).

  • Average sunshine in April: 6.1h

The month with most sunshine is July (Average sunshine: 8.1h).
The month with least sunshine is December (Average sunshine: 1.3h).

Average UV index in April - Luxembourg City, Luxembourg
  • Average UV index in April: 4

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).