Luxembourg weather in August
August in Luxembourg: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Luxembourg · #14 of 604 destinations to visit in August · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Luxembourg climate normals — August
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 56°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 14.4 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Luxembourg in August — FAQ
- Is August a good time to visit Luxembourg?
- August in Luxembourg: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Luxembourg on SeasonMap's comfort score (94/100).
- What is the weather like in Luxembourg in August?
- In August, Luxembourg averages a daily high of 22.7°C and a low of 13.5°C, with about 60.4 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Luxembourg in August?
- Luxembourg has a mean US Air Quality Index of about 43 in August.