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Luxembourg in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Luxembourg in January will be like? Take a look at our weather guide for Luxembourg, based on historical data.
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January

Weather in Luxembourg in January 2025

Uncomfortable Weather
Cool
☁️
Cloudy
January may not be the ideal time to visit Luxembourg, as the weather can be not ideal. The daily average high temperature does not get higher than +4°C, and there are only about 2 sunny days in the month. Typically there are also 10 rainy days, a total monthly rainfall of approximately 61 mm. Pack for extremes to ensure that you are as comfortable as possible. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Luxembourg;

Average weather

☀️
+4°C
Avg. max. temperature
-17°C
Min.
+14°C
Max.
61 mm
Total precipitation
87%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
11 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Luxembourg has uncomfortable weather in January.

Average temperature in Luxembourg in January

Here are the expected maximum, average and minimum temperatures in Luxembourg for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +13°C during the day to a minimum of -4°C during the night, the temperature in January averages around +6°C.

The average maximum temperature goes down 47% by the end of the month, compared with the beginning of the month, from +13°C to +5°C.

Is Luxembourg warm or cold in January?

Luxembourg is typically cool in January.

Maximum temperatures go down compared to the previous month from +5°C to +4°C. The minimum temperature also goes down from +1°C to -1°C.

Pack a sweater and a jacket as there will be cooler temperatures.

January is the coldest month in Luxembourg, here is the comparison with other months:

Climate in Luxembourg in January

Luxembourg weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+5°C+4°C+5°C
Min. temperature
-14°C-17°C-15°C
Max. temperature
+16°C+14°C+20°C
Rainfall
68 mm61 mm49 mm
Wind
3 m/s3 m/s3 m/s
Humidity
88%87%81%
Air pressure
1017 HPa1018 HPa1017 HPa
Sunny days
224
Cloudy days
11119
Rainy days
12109
Snowy days
676

January weather is still as bad as in December. It’s getting colder in January. From +5°C in the day, the average maximum temperature lowers to +4°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 68 mm to 61 mm. It feels drier, as humidity decreases from 88% to 87%. The average wind speed doesn’t change much during January, staying around 3 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

But maybe it is worth considering traveling in February as the weather gets better.

Wind

Wind speed in Luxembourg in January based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Luxembourg is gradually increasing during January, going from 4 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Luxembourg based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in January, with total rainfall of approximately 118 mm. The maximum amount of rainfall per day is around 15 mm, which is considered light rain. January is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Luxembourg wettest month is October, where a typical day has a 52% chance of precipitation and 77 mm of rainfall per day. February, on the other hand, is the driest month with a mere 31% chance of precipitation and 49 mm of rainfall per day.

Snow

Amount of snow in mm during January in Luxembourg based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in January is 10%, for a monthly total of around 10 mm.

January is one of the snowiest months in Luxembourg.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Luxembourg?

This is the weather in Luxembourg in January 2023:
1 January
☀️
+13°C
2 January
🌧️
+13°C
3 January
☁️
+8°C
4 January
🌧️
+11°C
5 January
☁️
+11°C
6 January
🌧️
+10°C
7 January
☁️
+10°C
8 January
🌧️
+9°C
9 January
🌧️
+6°C
10 January
☁️
+7°C
11 January
🌧️
+9°C
12 January
🌧️
+9°C
13 January
🌧️
+9°C
14 January
🌧️
+10°C
15 January
🌧️
+8°C
16 January
🌧️
+4°C
17 January
☀️
+3°C
18 January
☀️
+2°C
19 January
☁️
+1°C
20 January
🌨️
+1°C
21 January
🌨️
0°C
22 January
🌨️
0°C
23 January
☁️
+2°C
24 January
☁️
+2°C
25 January
🌫️
0°C
26 January
🌫️
+2°C
27 January
☁️
+3°C
28 January
☁️
+2°C
29 January
☁️
+1°C
30 January
🌫️
+6°C
31 January
🌫️
+5°C
In January 2023 Luxembourg had 3 sunny days, 10 cloudy days, and 9 rainy days. The average maximum temperature was +6°C, with an absolute maximum of +13°C and a minimum of 0°C. The average humidity was 88%, with a maximum of 96% and a minimum of 64%. The average wind speed was 5 m/s, with a maximum of 12 m/s and a minimum of 1 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Luxembourg climate have been changing during last 43 years period.

The climate in Luxembourg in January has not changed much over the last 43 years.

The average temperature was the lowest in 1987 (+12°C) and the highest in 2022 (+16°C). The driest year was 1996 with only 511 mm of rainfall, and the wettest year was 2023 with 1315 mm.

FAQ

Frequently asked questions about the weather in Luxembourg in January:

Is January a good time to visit Luxembourg?

There is never a bad time to go to Luxembourg, but the weather isn’t the best in January, so plan on enjoying the great indoor attractions of Luxembourg and pack for the extremes in weather.

Can you sunbathe in Luxembourg in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Luxembourg rainy in January?

Luxembourg is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Luxembourg in January?

Usually, it’s not very sunny in Luxembourg in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Luxembourg

Source of the data

For this page, we’ve looked at the typical weather in Luxembourg, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.