Monthly climate averages for Differdange, Luxembourg. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewDifferdange, Luxembourg in December has cold conditions, with highs averaging around 6°C (43°F). Rain falls on about 14 days this month.
This month falls at the beginning of Winter. Cold conditions dominate the month.
Temperatures remain fairly steady throughout December, with daily highs around 5°C (41°F).
December sees fairly even rainfall, totalling about 90 mm across the month.
The warmest days tend to fall around the 21th, averaging 7.7°C (46°F).
Compared to November, this month is about 3°C cooler with 1 more rainy days.
Daily averages based on historical data (2016–2025)
Cold daytime highs of 6°C (43°F) mean shorter outdoor excursions with warming breaks. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 0°C | 1°C / -4°C | 13days (94 mm) Wet | 3.3h Poor | 88% Very Muggy | 1.2 Low | Poor | View Details |
| February | 7°C / 1°C | 3°C / -3°C | 11days (70 mm) Wet | 5.3h Fair | 83% Humid | 1.7 Low | Poor | View Details |
| March | 10°C / 2°C | 7°C / -2°C | 12days (70 mm) Wet | 7.3h Good | 77% Humid | 3.5 Moderate | Poor | View Details |
| April | 14°C / 4°C | 11°C / 1°C | 12days (58 mm) Wet | 9.8h Good | 73% Muggy | 4.5 Moderate | Fair | View Details |
| May best | 18°C / 9°C | 16°C / 6°C | 11days (72 mm) Wet | 10.9h Excellent | 72% Muggy | 5.6 High | Good | View Details |
| June best | 22°C / 13°C | 22°C / 12°C | 12days (83 mm) Wet | 11.8h Excellent | 72% Muggy | 6.4 High | Excellent | View Details |
| July best | 23°C / 14°C | 23°C / 13°C | 10days (68 mm) Wet | 11.6h Excellent | 69% Muggy | 5.8 High | Excellent | View Details |
| August best | 24°C / 15°C | 23°C / 14°C | 11days (56 mm) Wet | 10.7h Excellent | 70% Muggy | 5.5 High | Excellent | View Details |
| September best | 20°C / 11°C | 19°C / 10°C | 10days (75 mm) Wet | 8.8h Good | 75% Muggy | 4 Moderate | Good | View Details |
| October | 15°C / 8°C | 13°C / 6°C | 12days (93 mm) Wet | 5.7h Fair | 84% Humid | 2.5 Moderate | Fair | View Details |
| November | 9°C / 4°C | 6°C / 0°C | 13days (78 mm) Wet | 3.8h Poor | 88% Very Muggy | 1.3 Low | Poor | View Details |
| December | 6°C / 2°C | 3°C / -2°C | 14days (89 mm) Wet | 2.6h Poor | 91% Very Muggy | 0.9 Low | Poor | View Details |
Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.
A waterproof jacket or compact umbrella is recommended for occasional showers.
Last updated:
We use cookies to analyze traffic and improve your experience. No personal data is sold or shared with advertisers.
We use Google Analytics to understand how visitors use WorldStats. This helps us improve content and performance. Analytics cookies track page views and session data — no personally identifiable information is collected. You can change your preference at any time from the footer.
