Luxembourg weather in July
July in Luxembourg: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Luxembourg · #48 of 604 destinations to visit in July · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Luxembourg climate normals — July
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 69 mm / 2.7 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 15.8 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Luxembourg in July — FAQ
- Is July a good time to visit Luxembourg?
- July in Luxembourg: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Luxembourg on SeasonMap's comfort score (92/100).
- What is the weather like in Luxembourg in July?
- In July, Luxembourg averages a daily high of 22.2°C and a low of 12.7°C, with about 68.6 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Luxembourg in July?
- Luxembourg has a mean US Air Quality Index of about 42 in July.