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

January 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
January, the same as December, is another cold winter month in Luxembourg City, Luxembourg, with average temperature fluctuating between -1.6°C (29.1°F) and 3.1°C (37.6°F).

Temperature

The coldest month is January, with an average high-temperature of 3.1°C (37.6°F) and an average low-temperature of -1.6°C (29.1°F).

Humidity

In Luxembourg City, the average relative humidity is 87%.

Rainfall

In Luxembourg City, it is raining for 18.3 days, with typically 76.6mm (3") of accumulated precipitation. In Luxembourg City, during the entire year, the rain falls for 182.3 days and collects up to 897mm (35.3") of precipitation.

Daylight

In January, the average length of the day in Luxembourg City is 8.7h.

Sunshine

In Luxembourg City, the average sunshine is 1.6h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
In January, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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 coldest month in Luxembourg City?

January is the coldest month in Luxembourg City, with an average high-temperature of 3.1°C (37.6°F) and an average low-temperature of -1.6°C (29.1°F).

What is the temperature in January in Luxembourg City?

The average high-temperature, in January, in Luxembourg City, Luxembourg, is 3.1°C (37.6°F), while the average low-temperature is -1.6°C (29.1°F).

What is the average humidity in January in Luxembourg City?

In January, the average relative humidity is 87%.

How much does it rain in Luxembourg City in January?

In Luxembourg City, Luxembourg, in January, during 18.3 rainfall days, 76.6mm (3") of precipitation is typically accumulated.

How many hours of daylight does Luxembourg City have in January?

In Luxembourg City, Luxembourg, the average length of the day in January is 8.7h.

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

In Luxembourg City, the average sunshine in January is 1.6h.

When is the lowest UV index in Luxembourg City?

Months with the lowest UV index in Luxembourg City are January, February, November and December, with an average maximum UV index of 1.

What is the UV index reading in January in Luxembourg City?

In January, the average daily maximum UV index in Luxembourg City, Luxembourg, is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Luxembourg City, Luxembourg
  • Average high temperature in January: 3.1°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 January: -1.6°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 January - Luxembourg City, Luxembourg
  • Average humidity in January: 87%

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

Average rainfall in January - Luxembourg City, Luxembourg
  • Average rainfall in January: 76.6mm

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 January - Luxembourg City, Luxembourg
  • Average rainfall days in January: 18.3 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 January / Average sunshine in January - Luxembourg City, Luxembourg
  • Average daylight in January: 8.7h

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 January: 1.6h

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 January - Luxembourg City, Luxembourg
  • Average UV index in January: 1

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).