Capital city, Luxembourg
Luxembourg City weather by month and the best time to visit
When to go to Luxembourg City
May–Sep is warm and best for walking the casemates and terraces; Dec has Christmas markets. Winters are gray, cool and damp; quiet at weekends.
Luxembourg City weather by month
Average daily high, rainfall and conditions.
- Jan3°67 mm
- Feb5°57 mm
- Mar9°57 mm
- Apr14°46 mm
- May18°70 mm
- Jun23°68 mm
- Jul25°65 mm
- Aug25°72 mm
- Sep20°56 mm
- Oct14°65 mm
- Nov8°68 mm
- Dec4°79 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 3°C38°F | -2°C28°F | 67 mm | 94% | Cold |
| February | 5°C40°F | -2°C29°F | 57 mm | 91% | Cold |
| March | 9°C49°F | 0°C33°F | 57 mm | 86% | Cold |
| April | 14°C58°F | 4°C39°F | 46 mm | 80% | Cool |
| May | 18°C65°F | 8°C46°F | 70 mm | 78% | Pleasant |
| June | 23°C73°F | 12°C53°F | 68 mm | 74% | Pleasant |
| July | 25°C77°F | 14°C57°F | 65 mm | 68% | Pleasant |
| August | 25°C76°F | 13°C56°F | 72 mm | 69% | Pleasant |
| September | 20°C69°F | 9°C48°F | 56 mm | 74% | Pleasant |
| October | 14°C58°F | 6°C42°F | 65 mm | 85% | Cool |
| November | 8°C47°F | 2°C36°F | 68 mm | 93% | Cold |
| December | 4°C39°F | -1°C31°F | 79 mm | 95% | Cold |
Quick answers
What is the best month to visit Luxembourg City?
May–Sep. May–Sep is warm and best for walking the casemates and terraces; Dec has Christmas markets. Winters are gray, cool and damp; quiet at weekends.
When is the rainy season in Luxembourg City?
Rain peaks in December with about 79 mm. No month averages 150 mm or more.
What is the hottest month in Luxembourg City?
July, with average highs of 25°C (77°F).
How cold does Luxembourg City get?
The coolest nights are in January, averaging -2°C (28°F).
More about Luxembourg City
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.