Click on a day for an hourly weather forecast
The weather in Castrop Rauxel in January is very cold with temperatures between 1°C and 5°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Castrop Rauxel. 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.
Please note that Castrop Rauxel can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Castrop Rauxel in January 2026.
If you’re planning to visit Castrop Rauxel in the near future, we highly recommend that you review the 14 day weather forecast for Castrop Rauxel before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 12 | 18 | 2 | 89 mm | Awful | Castrop Rauxel in January |
| February | 6° / 1° | 9 | 18 | 1 | 73 mm | Awful | Castrop Rauxel in February |
| March | 10° / 3° | 8 | 22 | 1 | 72 mm | Bad | Castrop Rauxel in March |
| April | 15° / 6° | 7 | 23 | 0 | 49 mm | Good | Castrop Rauxel in April |
| May | 18° / 9° | 9 | 22 | 0 | 70 mm | Ok | Castrop Rauxel in May |
| June | 22° / 13° | 9 | 21 | 0 | 85 mm | Ok | Castrop Rauxel in June |
| July | 23° / 15° | 10 | 21 | 0 | 102 mm | Good | Castrop Rauxel in July |
| August | 24° / 15° | 10 | 21 | 0 | 95 mm | Good | Castrop Rauxel in August |
| September | 20° / 12° | 7 | 23 | 0 | 68 mm | Ok | Castrop Rauxel in September |
| October | 15° / 9° | 9 | 22 | 0 | 80 mm | Ok | Castrop Rauxel in October |
| November | 10° / 5° | 8 | 21 | 0 | 79 mm | Bad | Castrop Rauxel in November |
| December | 6° / 2° | 12 | 17 | 2 | 99 mm | Awful | Castrop Rauxel in December |