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The weather in Wengen in January is very cold with temperatures between -13°C and -2°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Wengen during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Wengen to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Wengen in January 2026.
If you’re planning to visit Wengen in the near future, we highly recommend that you review the 14 day weather forecast for Wengen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -13° | 4 | 7 | 20 | 129 mm | Awful | Wengen in January |
| February | -1° / -13° | 3 | 6 | 20 | 97 mm | Awful | Wengen in February |
| March | 2° / -10° | 8 | 6 | 19 | 125 mm | Awful | Wengen in March |
| April | 5° / -5° | 11 | 8 | 11 | 138 mm | Awful | Wengen in April |
| May | 9° / -2° | 18 | 6 | 7 | 241 mm | Awful | Wengen in May |
| June | 15° / 3° | 19 | 11 | 0 | 247 mm | Ok | Wengen in June |
| July | 17° / 5° | 17 | 14 | 0 | 237 mm | Ok | Wengen in July |
| August | 17° / 5° | 16 | 15 | 0 | 239 mm | Ok | Wengen in August |
| September | 14° / 2° | 11 | 17 | 1 | 140 mm | Ok | Wengen in September |
| October | 8° / -3° | 7 | 18 | 6 | 133 mm | Awful | Wengen in October |
| November | 4° / -7° | 5 | 12 | 13 | 118 mm | Awful | Wengen in November |
| December | -1° / -12° | 4 | 8 | 19 | 117 mm | Awful | Wengen in December |