Best months
June, July, and August
Warmest month
July, 24°C
Wettest month
December, 88 mm
Luxembourg City weather by month
Average daily high and low, total rainfall and days with at least 2.5 mm of rain.
| Month | High / low | Rain | Verdict |
|---|---|---|---|
| January | 4°C / -1°C | 75 mm · 9 days | Cold |
| February | 6°C / 0°C | 63 mm · 7 days | Cold |
| March | 10°C / 2°C | 56 mm · 7 days | Cold |
| April | 15°C / 5°C | 44 mm · 5 days | Fair |
| May | 19°C / 9°C | 79 mm · 8 days | Fair |
| June | 23°C / 13°C | 76 mm · 8 days | Great |
| July | 24°C / 14°C | 76 mm · 7 days | Great |
| August | 23°C / 14°C | 76 mm · 7 days | Great |
| September | 20°C / 11°C | 72 mm · 7 days | Fair |
| October | 14°C / 7°C | 78 mm · 8 days | Fair |
| November | 8°C / 3°C | 74 mm · 9 days | Cold |
| December | 5°C / 1°C | 88 mm · 10 days | Cold |
Luxembourg City by season
Spring
Spring brings blossoms to the valleys, the reopening of the casemates and the Emaischen Easter Monday market in the old town.
- + Pleasant walking weather
- + Fewer tourists
- + Spring festivals
- − Rain showers
- − Cool evenings
Summer
Summer is warm, with outdoor terraces, festivals, the National Day celebrations on 23 June and the Schueberfouer funfair from late August.
- + Festivals and National Day
- + Terraces open
- + Long days
- − Busier sights
- − Hotels can be busy with events
Autumn
Autumn is wine harvest season on the Moselle, with colourful forests in the valleys and fewer visitors.
- + Wine festivals
- + Autumn colours
- + Comfortable weather
- − More rain
- − Shorter days
Winter
Winter is cold and grey, but Christmas markets and lights around Place d'Armes and Place de la Constitution add sparkle.
- + Christmas markets
- + Lower hotel prices on weekends
- + Cosy restaurants
- − Cold weather
- − Short days
Luxembourg City month by month
Luxembourg City in January
ColdIn January, Luxembourg City averages highs of 4°C and lows of -1°C, with about 9 rainy days and 75 mm of rain. It is cold, so pack warm layers.
Luxembourg City in February
ColdIn February, Luxembourg City averages highs of 6°C and lows of 0°C, with about 7 rainy days and 63 mm of rain. It is cold, so pack warm layers.
Luxembourg City in March
ColdIn March, Luxembourg City averages highs of 10°C and lows of 2°C, with about 7 rainy days and 56 mm of rain. It is cold, so pack warm layers.
Luxembourg City in April
FairIn April, Luxembourg City averages highs of 15°C and lows of 5°C, with about 5 rainy days and 44 mm of rain. Expect mixed weather, with comfortable spells.
Luxembourg City in May
FairIn May, Luxembourg City averages highs of 19°C and lows of 9°C, with about 8 rainy days and 79 mm of rain. Expect mixed weather, with comfortable spells.
Luxembourg City in June
GreatIn June, Luxembourg City averages highs of 23°C and lows of 13°C, with about 8 rainy days and 76 mm of rain. It is one of the most comfortable months for sightseeing.
Luxembourg City in July
GreatIn July, Luxembourg City averages highs of 24°C and lows of 14°C, with about 7 rainy days and 76 mm of rain. It is one of the most comfortable months for sightseeing.
Luxembourg City in August
GreatIn August, Luxembourg City averages highs of 23°C and lows of 14°C, with about 7 rainy days and 76 mm of rain. It is one of the most comfortable months for sightseeing.
Luxembourg City in September
FairIn September, Luxembourg City averages highs of 20°C and lows of 11°C, with about 7 rainy days and 72 mm of rain. Expect mixed weather, with comfortable spells.
Luxembourg City in October
FairIn October, Luxembourg City averages highs of 14°C and lows of 7°C, with about 8 rainy days and 78 mm of rain. Expect mixed weather, with comfortable spells.
Luxembourg City in November
ColdIn November, Luxembourg City averages highs of 8°C and lows of 3°C, with about 9 rainy days and 74 mm of rain. It is cold, so pack warm layers.
Luxembourg City in December
ColdIn December, Luxembourg City averages highs of 5°C and lows of 1°C, with about 10 rainy days and 88 mm of rain. It is cold, so pack warm layers.
Top tours and experiences in Luxembourg City
The tours and tickets travellers book most, with ratings and reviews from Viator.
Luxembourg City: Walking Tour with a Multilingual Guide
4.8113 reviews2h 30m
from €25
Check availability
All things to do in Luxembourg City →
Tours and prices from Viator, a Tripadvisor company. Prices change with your dates. We may earn a commission if you book, at no extra cost to you.
Plan your Luxembourg City trip
Best time to visit Luxembourg City: FAQ
What is the best month to visit Luxembourg City?+
June is the most comfortable month on average, with highs of 23°C. July and August are close behind.
What is the rainiest month in Luxembourg City?+
December is the wettest month, with about 88 mm of rain.
How hot does Luxembourg City get?+
July is the warmest month, with average highs of 24°C and lows of 14°C. The coldest nights come in January, averaging -1°C.
Averages for 2006–2025 from the LUXEMBOURG AIRPORT weather station (5 km from the centre), NOAA Global Historical Climatology Network. Verdicts rate sightseeing comfort from daytime highs and rainy days.