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

May 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
The last month of the spring, May, is an enjoyable month in Luxembourg City, Luxembourg, with average temperature fluctuating between 17.8°C (64°F) and 8.4°C (47.1°F).

Temperature

In Luxembourg City, the average high-temperature in May marginally rises, from a moderate 13.3°C (55.9°F) in April, to an enjoyable 17.8°C (64°F). In Luxembourg City, Luxembourg, in May, the average low-temperature is 8.4°C (47.1°F).

Humidity

In May, the average relative humidity is 69%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 78.5mm (3.1") of precipitation is accumulated. In Luxembourg City, Luxembourg, during the entire year, the rain falls for 182.3 days and collects up to 897mm (35.3") of precipitation.

Daylight

In Luxembourg City, the average length of the day in May is 15.4h.

Sunshine

In Luxembourg City, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in Luxembourg City, Luxembourg, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Luxembourg City?

In May, the average high-temperature is 17.8°C (64°F), and the average low-temperature is 8.4°C (47.1°F).

What is the average humidity in May in Luxembourg City?

The average relative humidity in May in Luxembourg City, Luxembourg, is 69%.

How many days does it rain in May in Luxembourg City?

In Luxembourg City, Luxembourg, in May, it is raining for 16 days, with typically 78.5mm (3.1") of accumulated precipitation.

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

In Luxembourg City, the average length of the day in May is 15.4h.

How many hours of sunshine does Luxembourg City have in May?

In May, the average sunshine in Luxembourg City, Luxembourg, is 6.9h.

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

In May, the average daily maximum UV index in Luxembourg City, Luxembourg, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in May - Luxembourg City, Luxembourg
  • Average high temperature in May: 17.8°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 May: 8.4°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 May - Luxembourg City, Luxembourg
  • Average humidity in May: 69%

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

Average rainfall in May - Luxembourg City, Luxembourg
  • Average rainfall in May: 78.5mm

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 May - Luxembourg City, Luxembourg
  • Average rainfall days in May: 16 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 May / Average sunshine in May - Luxembourg City, Luxembourg
  • Average daylight in May: 15.4h

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 May: 6.9h

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 May - Luxembourg City, Luxembourg
  • Average UV index in May: 6

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).