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The weather in Aachen in January is very cold with temperatures between 1°C and 4°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Aachen. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Aachen is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Aachen in January 2025.
If you’re planning to visit Aachen in the near future, we highly recommend that you review the 14 day weather forecast for Aachen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 1° | 9 | 13 | 9 | 86 mm | Awful | Aachen in January |
| February | 6° / 1° | 8 | 13 | 7 | 74 mm | Awful | Aachen in February |
| March | 10° / 3° | 7 | 21 | 3 | 71 mm | Awful | Aachen in March |
| April | 14° / 6° | 5 | 24 | 1 | 51 mm | Good | Aachen in April |
| May | 17° / 9° | 7 | 24 | 0 | 96 mm | Ok | Aachen in May |
| June | 21° / 12° | 6 | 24 | 0 | 102 mm | Good | Aachen in June |
| July | 23° / 14° | 6 | 25 | 0 | 93 mm | Perfect | Aachen in July |
| August | 23° / 14° | 5 | 26 | 0 | 89 mm | Perfect | Aachen in August |
| September | 19° / 11° | 4 | 26 | 0 | 63 mm | Good | Aachen in September |
| October | 14° / 8° | 6 | 25 | 0 | 66 mm | Good | Aachen in October |
| November | 9° / 5° | 8 | 20 | 2 | 71 mm | Awful | Aachen in November |
| December | 6° / 2° | 10 | 15 | 6 | 100 mm | Awful | Aachen in December |