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The weather in Delemont in January is very cold with temperatures between -4°C and 3°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Delemont. 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.
Delemont 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 Delemont in January 2026.
If you’re planning to visit Delemont in the near future, we highly recommend that you review the 14 day weather forecast for Delemont before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 9 | 10 | 12 | 134 mm | Awful | Delemont in January |
| February | 4° / -3° | 10 | 9 | 11 | 113 mm | Awful | Delemont in February |
| March | 9° / 0° | 7 | 17 | 6 | 104 mm | Awful | Delemont in March |
| April | 14° / 3° | 8 | 20 | 2 | 110 mm | Bad | Delemont in April |
| May | 18° / 6° | 11 | 20 | 0 | 189 mm | Ok | Delemont in May |
| June | 22° / 10° | 10 | 20 | 0 | 182 mm | Ok | Delemont in June |
| July | 24° / 12° | 9 | 22 | 0 | 168 mm | Good | Delemont in July |
| August | 24° / 12° | 9 | 22 | 0 | 160 mm | Good | Delemont in August |
| September | 20° / 9° | 6 | 24 | 0 | 110 mm | Good | Delemont in September |
| October | 15° / 5° | 6 | 25 | 0 | 121 mm | Good | Delemont in October |
| November | 9° / 2° | 8 | 18 | 4 | 128 mm | Awful | Delemont in November |
| December | 4° / -2° | 11 | 12 | 9 | 171 mm | Awful | Delemont in December |