14-day forecast — Luxembourg City
Updated every hour
Mon · Today · 14 Sep
Showers
22°
16°
0.4 mm
Tue · Tomorrow · 15 Sep
Sunny
26°
16°
6%
Wednesday · 16 Sep
Cloudy
18°
11°
16%
Thursday · 17 Sep
Cloudy
17°
10°
10%
Friday · 18 Sep
Cloudy
19°
11°
0.1 mm
Saturday · 19 Sep
Cloudy
19°
12°
17%
Sunday · 20 Sep
Sunny
21°
11°
5%
Monday · 21 Sep
Sunny
26°
13°
2%
Tuesday · 22 Sep
Sunny
18°
11°
5%
Wednesday · 23 Sep
Sunny
16°
7°
9%
Thursday · 24 Sep
Sunny
20°
8°
4%
Friday · 25 Sep
Sunny
18°
10°
5%
Saturday · 26 Sep
Sunny
19°
8°
2%
Sunday · 27 Sep
Sunny
21°
9°
1%
About Luxembourg City
A UNESCO-listed old town perched over deep gorges — Europe’s most underrated city break.
CountryLuxembourg
RegionLuxembourg
ContinentEurope
Time zoneEurope/Luxembourg (+02:00)
Latitude49.6116°
Longitude6.1319°
Air qualityFair (EAQI 26)
Climate in Luxembourg City in December
Averages over 8 years · best time to visitBest time to visit Luxembourg City: June–September. With poor weather, December is a possible month to visit.
| November | December | January | |
|---|---|---|---|
| Average temperature | ▼ 6°C | 4°C | ▼ 2°C |
| Highest temperature | ▼ 9°C | 6°C | ▼ 5°C |
| Lowest temperature | ▼ 3°C | 2°C | ▼ 0°C |
| Rainfall | ▲ 77 mm | 88 mm | ▲ 105 mm |
| Days with rain | ▲ 13 d | 16 d | ▼ 15 d |
| Humidity | ▲ 89% | 91% | ▼ 86% |
| Sunshine hours per day | ▼ 4,0 h | 2,5 h | ▲ 3,0 h |
| Cloud cover | ▲ 56% | 70% | ▼ 66% |
| UV index (midday) | ▼ 2 | 1 | → 1 |
| Day length | 9:06 | 8:13 | 8:41 |
| Our rating | Poor | Poor | Poor |
Temperature day by day in December mean + moving average
Rainfall day by day in December mm
UV index day by day in December midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
The weather for Luxembourg City is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.