Luxembourg Luxembourg Weather in December — Climate Guide
December in Luxembourg is high
Luxembourg Weather in December — Quick Answer
As of 2026- Avg temp
- 5° / 0°
- Rainfall
- 85mm · 17 days
- Crowds
- Busy
As of 2026, Luxembourg in December averages a high of 5°C and low of 0°C with 85mm of rain over about 17 days. Winter cold + Christmas market season — daytime 5°C / 41°F, nighttime 0°C / 32°F + occasional light snow (rarely sticks). Heavy winter coat + scarf + gloves + waterproof boots + warm layers + thermal base layers + compact umbrella. Christmas market evening attire (warm + festive).
December is high for Luxembourg.
December is the year's atmospheric peak for Christmas market enthusiasts — the Luxembourg City Christmas Market (Wantermaart) runs full swing on Place d'Armes + Place de la Constitution through early January with gluhwein + Luxembourg Crémant + Quetschentaart + Gromperekichelcher + canonical European market atmosphere.
Hotel rates surge +30-50% for Christmas-New Year week (December 22 - January 2) — book 6-8 weeks ahead. Le Royal + Hotel Le Place d'Armes + Sofitel Le Grand Ducal all sell out 4-5 weeks ahead for New Year's Eve.
Travel score
Luxembourg City Christmas Market full swing + canonical European market atmosphere + year's most-photogenic window
December Weather at a Glance
December averages 41°F / 5°C highs and 32°F / 0°C lows with 17 rainy days and 85mm of rain. Humidity 85%, UV 1, sunshine 1.5 hours daily. Year's atmospheric Christmas market peak.
December Travel Advice
Book Christmas-New Year (December 22 - January 2) 6-8 weeks ahead. Le Royal + Hotel Le Place d'Armes + Sofitel Le Grand Ducal sell out 4-5 weeks ahead for NYE. Off-peak December (December 5-20) is the value sweet spot with same atmospheric Christmas market.
December Pricing Trends
High pricing with Christmas-NYE surge: boutique EUR 200-320/night / $216-346 (mid-Dec) vs EUR 280-440 / $302-475 (Dec 22-Jan 2). 5-star Le Royal + Hotel Le Place d'Armes EUR 360-680 / $389-734 (mid-Dec) vs EUR 480-880 / $518-950 (Christmas-NYE).
Luxembourg December Weather Stats
Avg High
5°C
Avg Low
0°C
Rainy Days
17
85mm total
Sunshine
1.5h
Daily avg
Humidity
85%
humid
UV Index
1
Low
Wind
17 km/h
Gusts 33
Sea Temp
7°C
no swimming
Crowds
Busy
At attractions
December Sunrise & Sunset
Air Quality
PM2.5
13 μg/m³
PM10
23 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
2°C
Nighttime
-3°C
Humidity and wind affect how the actual temperature feels.
Wind
17 km/h
Max gust 33 km/h
Activities Recommended for December
December Travel Pros & Cons
Pros
- Luxembourg City Christmas Market full swing (canonical European market atmosphere)
- Atmospheric grey-mist Old Town photography
- Mosel valley champagne dinners + New Year's Eve celebrations
- Cristallerie Vianden + Maison Léonidas artisan souvenirs at market
- Year's most-photogenic Old Town window (Christmas lights + market stalls)
Cons
- Christmas-New Year week +30-50% hotel surge
- Year's coldest + greyest stretch (1.5h sunshine/day)
- Bock + Pétrusse Casemates reduced winter hours
- Sells out 4-5 weeks ahead Christmas-NYE
- 17 rainy days + occasional snow
December Events & Festivals
- Luxembourg City Christmas Market in full swing (through early January)
- Christmas Day (December 25) + Boxing Day (December 26) public holidays
- New Year's Eve (December 31) — Old Town fireworks + Mosel valley champagne dinners
- Bock + Pétrusse Casemates reduced winter hours
Luxembourg in December — Full Picture
December is the year's atmospheric peak for Christmas market enthusiasts — the Luxembourg City Christmas Market (Wantermaart) runs full swing on Place d'Armes + Place de la Constitution through early January with gluhwein + Luxembourg Crémant + Quetschentaart + Gromperekichelcher + canonical European market atmosphere.
Hotel rates surge +30-50% for Christmas-New Year week (December 22 - January 2) — book 6-8 weeks ahead. Le Royal + Hotel Le Place d'Armes + Sofitel Le Grand Ducal all sell out 4-5 weeks ahead for New Year's Eve.
The canonical Luxembourg City Christmas Market experience: Place d'Armes for the canonical photo (the central market square covered in stalls + lights + a small Christmas tree), Place de la Constitution for the larger fairground stalls + carnival rides for kids, gluhwein + Luxembourg Crémant + Quetschentaart + Gromperekichelcher street food, and the Mosel Crémant + Cristallerie Vianden + Maison Léonidas artisan stalls for souvenirs.
Mosel valley winery 'champagne dinners' (Crémant + 5-7 course menus) on New Year's Eve are canonical at EUR 95-180 / $103-194 per person.
What to Wear & What to Pack
Winter cold + Christmas market season — daytime 5°C / 41°F, nighttime 0°C / 32°F + occasional light snow (rarely sticks). Heavy winter coat + scarf + gloves + waterproof boots + warm layers + thermal base layers + compact umbrella. Christmas market evening attire (warm + festive).
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
14°C
5.7°C
13.3/mo
Summer (Jun·Jul·Aug)
23.3°C
13.3°C
12.3/mo
Autumn (Sep·Oct·Nov)
14°C
7°C
13.7/mo
Winter (Dec·Jan·Feb)
Current5°C
-0.3°C
16.3/mo
Luxembourg Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 4° | -1° | 17d·80mm | 1.5h | 85% | 1 | Quiet | Low season | |
| 6° | 0° | 15d·65mm | 2.5h | 80% | 2 | Quiet | Low season | |
| 10° | 3° | 14d·65mm | 4h | 75% | 3 | Quiet | Shoulder | |
| 14° | 5° | 13d·60mm | 5.5h | 70% | 4 | Moderate | Shoulder | |
| May (Best) | 18° | 9° | 13d·65mm | 7h | 70% | 5 | Busy | Peak |
| June (Best) | 22° | 12° | 13d·75mm | 8h | 70% | 6 | Busy | Peak |
| July (Best) | 24° | 14° | 12d·75mm | 8h | 70% | 7 | Busy | Peak |
| August (Best) | 24° | 14° | 12d·75mm | 7.5h | 70% | 6 | Busy | Peak |
| September (Best) | 20° | 11° | 12d·70mm | 6h | 75% | 4 | Busy | Peak |
| 14° | 7° | 13d·70mm | 4h | 80% | 2 | Moderate | Shoulder | |
| 8° | 3° | 16d·80mm | 2h | 85% | 1 | Quiet | Shoulder | |
| 5° | 0° | 17d·85mm | 1.5h | 85% | 1 | Busy | Peak |
View Other Months
Luxembourg December Hotel Picks
Frequently Asked Questions
Is December a good time to visit Luxembourg?
Luxembourg in December is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Luxembourg in December?
Luxembourg December averages a high of 5°C and a low of 0°C.
Does it rain much in Luxembourg in December?
Luxembourg December averages 85mm of rainfall over about 17 rainy days.
What should I wear in Luxembourg in December?
Winter cold + Christmas market season — daytime 5°C / 41°F, nighttime 0°C / 32°F + occasional light snow (rarely sticks). Heavy winter coat + scarf + gloves + waterproof boots + warm layers + thermal base layers + compact umbrella. Christmas market evening attire (warm + festive).
What time are sunrise and sunset in Luxembourg in December?
Luxembourg December sunrise is 08:30 and sunset is 16:30, with 8h 00min of daylight.
What's the air quality like in Luxembourg in December?
Luxembourg December air quality (AQI) averages 38, rated Good. PM2.5 averages 13μg/m³.
What activities are recommended in Luxembourg in December?
In December, Luxembourg is great for Luxembourg City Christmas Market (Place d'Armes + Place de la Constitution), Mosel valley champagne dinners + New Year's Eve, MUDAM + National History Museum (indoor).
Is December peak season in Luxembourg?
Luxembourg December crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Luxembourg
View Other Months
Planning a December trip to Luxembourg?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.