Aachen weather in January
Temperature, rain and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – September
What is the weather like in Aachen in January?
In January, Aachen is cold: daytime highs average 4 °C, and nights often drop below freezing (0 °C). The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 74 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Aachen.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 7 | 9 | 11 |
| Day | 5° | 4° | 6° |
| Night | 1° | 0° | 0° |
| Sun | 2 h | 2 h | 3 h |
| Rain days | 15 | 14 | 13 |
More details for January
- Daylight
- 8 h 25 min08:32 – 16:57
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 3 days1 cm or more of fresh snowAll months
- Time zone
- UTC+1Europe/Berlin
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %29 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Aachen in January: quick answers
Is Aachen hot in January?
No. In January, Aachen is cold: daytime highs average 4 °C and nights drop to about 0 °C.
Does it rain much in Aachen in January?
Rain is frequent, with about 14 rainy days and 74 mm in total.
Aachen month by month
The whole year in AachenAll destinations: GermanyWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences