Luxembourg weather in January
January in Luxembourg: cold, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Luxembourg · #523 of 604 destinations to visit in January · comfort 43/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Luxembourg climate normals — January
| Daytime high | 4°C / 39°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 31°F | |
| Feels like (high) | 0°C / 32°F | |
| Rainfall | 75 mm / 3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 1°C / 33°F | |
| Sunshine | 3 h/day | |
| Daylight | 8.7 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 10.8 cm / 4.3 in | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Luxembourg in January — FAQ
- Is January a good time to visit Luxembourg?
- January in Luxembourg: cold, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Luxembourg on SeasonMap's comfort score (43/100).
- What is the weather like in Luxembourg in January?
- In January, Luxembourg averages a daily high of 3.8°C and a low of -0.5°C, with about 75.1 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Luxembourg in January?
- Luxembourg has a mean US Air Quality Index of about 28 in January.
- Does it snow in Luxembourg in January?
- Luxembourg sees roughly 10.8 cm of snowfall in January.