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The weather in Sundern 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 Sundern. 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.
You can expect a few days of snow in Sundern during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Sundern.
Our weather forecast can give you a great sense of what weather to expect in Sundern in January 2026.
If you’re planning to visit Sundern in the near future, we highly recommend that you review the 14 day weather forecast for Sundern before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -1° | 13 | 15 | 3 | 86 mm | Awful | Sundern in January |
| February | 5° / -1° | 9 | 17 | 2 | 70 mm | Awful | Sundern in February |
| March | 9° / 1° | 8 | 21 | 2 | 68 mm | Awful | Sundern in March |
| April | 14° / 4° | 8 | 22 | 0 | 50 mm | Good | Sundern in April |
| May | 17° / 7° | 9 | 22 | 0 | 72 mm | Ok | Sundern in May |
| June | 21° / 11° | 9 | 21 | 0 | 84 mm | Ok | Sundern in June |
| July | 23° / 13° | 9 | 22 | 0 | 95 mm | Good | Sundern in July |
| August | 23° / 13° | 10 | 21 | 0 | 88 mm | Good | Sundern in August |
| September | 19° / 10° | 7 | 23 | 0 | 63 mm | Ok | Sundern in September |
| October | 14° / 7° | 8 | 23 | 0 | 71 mm | Ok | Sundern in October |
| November | 9° / 4° | 8 | 22 | 0 | 68 mm | Bad | Sundern in November |
| December | 5° / 1° | 12 | 16 | 3 | 85 mm | Awful | Sundern in December |