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Luxembourg · Real weather data · Updated April 2026
Best months: August, July, October — comfortable temperatures, lower rainfall, good value.
| Month | Avg Temp | Max Temp | Rainfall |
|---|---|---|---|
| January | -1.4°C / 29.5°F | 0.8°C | 0.8mm |
| February | 9.5°C / 49.1°F | 12.8°C | 0.0mm |
| March | 9.7°C / 49.5°F | 12.0°C | 7.6mm |
| April | 8.0°C / 46.4°F | 11.4°C | 4.9mm |
| May | 12.8°C / 55.1°F | 14.8°C | 10.0mm |
| June | 12.8°C / 55.0°F | 15.2°C | 3.5mm |
| July | 18.1°C / 64.6°F | 25.4°C | 1.6mm |
| August | 20.1°C / 68.1°F | 25.1°C | 0.1mm |
| September | 10.7°C / 51.3°F | 17.3°C | 0.0mm |
| October | 12.8°C / 55.1°F | 16.1°C | 0.0mm |
| November | 5.6°C / 42.0°F | 8.5°C | 0.0mm |
| December | 2.3°C / 36.2°F | 3.8°C | 0.0mm |
Warmest weather, maximum crowds, highest prices. Book 3-4 months ahead. Best for beach destinations.
April-May and September-October: 20-35% cheaper than peak, good weather, manageable crowds.
Cheapest flights and hotels. Fewer tourists at attractions. Cold weather — pack accordingly.
August, July, October: the sweet spot of comfortable weather, reasonable prices, and authentic atmosphere.
When is the best time to visit Luxembourg City?
The best months to visit Luxembourg City are August, July, October. Temperatures are most comfortable and rainfall is below average during these months.
What is the weather like in Luxembourg City in summer?
Summer (June-August) averages 18.1°C. Peak tourist season with highest prices and crowds.
Is Luxembourg City worth visiting in winter?
Winter (December-February) averages -1.4°C. Fewer crowds and cheaper prices — good for city sightseeing.