Canton of Luxembourg · Luxembourg
Luxembourg in December
In December, Luxembourg averages a daytime high of 5 °C and a night-time low of 0 °C, with about 99 mm of rain over the month. It falls outside Luxembourg's most comfortable months, May to September.
- Average high
- 5 °C
- Average low
- 0 °C
- Rain in the month
- 99 mm
- Daylight on 15 Dec
- 8 h 10 min
- Comfortable month
- No
- Places to stay
- 88
When to go
How December compares with the rest of the year in Luxembourg
December is tied for the coolest month in Luxembourg by average daytime high; across the year the highs run from 5 °C to 24 °C and the lows from -1 °C to 14 °C. By day, December is 3 °C cooler than November, and January is about the same as December.
December brings 99 mm of rain, more than the monthly average of 71 mm (857 mm a year); it is the wettest month.
On 15 December the sun is up for about 8 h 10 min, against 8 h 10 min at the shortest and 16 h 20 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 5 °C | -1 °C | 85 mm | |
| February | 6 °C | 0 °C | 68 mm | |
| March | 10 °C | 2 °C | 61 mm | |
| April | 15 °C | 5 °C | 46 mm | |
| May | 19 °C | 8 °C | 65 mm | Yes |
| June | 22 °C | 11 °C | 65 mm | Yes |
| July | 24 °C | 14 °C | 77 mm | Yes |
| August | 24 °C | 13 °C | 70 mm | Yes |
| September | 20 °C | 10 °C | 69 mm | Yes |
| October | 14 °C | 7 °C | 74 mm | |
| November | 8 °C | 3 °C | 79 mm | |
| December | 5 °C | 0 °C | 99 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is December a good time to visit Luxembourg?
Not by the measure used here: the average high of 5 °C is below 18 °C and about 99 mm of rain is 80 mm or more. The comfortable months in Luxembourg are May to September; the nearest are September, before, and May, after.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Luxembourg in December
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Luxembourg
This guide lists 88 places to stay in Luxembourg, hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 14; 1–3 km, 28; 3–10 km, 17; 10 km or more, 29.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from the OpenHolidays API (ODbL); places to stay from each operator's own public pages and Wikidata. How this guide is made.