Luxembourg weather in December 2026

Q: How cold is it in Luxembourg in December?

Daytime temperatures usually reach 4°C in Luxembourg in December, falling to -1°C at night.

Q: How sunny is it in Luxembourg in December?

There are normally 1 hour of bright sunshine each day in Luxembourg in December - that's 16% of daylight hours.

Q: Does it rain in Luxembourg in December?

There are usually 17 days with some rain in Luxembourg in December and the average monthly rainfall is 95mm. Rain may fall as snow in this month.

Expect daytime maximum temperatures of 4°C in Luxembourg in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 17 days with some rainfall and typically 95 mm of rainfall in the month.

4
4°C max day temperature
1
1 hour of sunshine per day
17
17 days with some rainfall
-1
-1°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
95
95 mm of monthly rainfall
1
1 (Low) UV index

More about Luxembourg

Luxembourg by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Luxembourg

TUI sale: 10% off 2026/2027 holidays

Discount Code

Save 10% on 2026/2027 holidays in biggest ever TUI sale
Max discount £500. T&Cs apply. £500 min spend
Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code

******ALE

Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUI deal finder

Destination

The December weather guide for Luxembourg shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Luxembourg

A long weekend in Luxembourg: where to go & what to see

How cold is it in Luxembourg in December?

Daytime temperatures usually reach 4°C in Luxembourg in December, falling to -1°C at night.

How sunny is it in Luxembourg in December?

There are normally 1 hour of bright sunshine each day in Luxembourg in December - that's 16% of daylight hours.

Does it rain in Luxembourg in December?

There are usually 17 days with some rain in Luxembourg in December and the average monthly rainfall is 95mm. Rain may fall as snow in this month.

Luxembourg December sunrise & sunset times

Browse the sunrise and sunset times for Luxembourg in December 2026. Select a month to view Luxembourg sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec