Click on a day for an hourly weather forecast
The weather in Andermatt in January is very cold with temperatures between -15°C and -4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Andermatt 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 Andermatt 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 Andermatt in January 2026.
If you’re planning to visit Andermatt in the near future, we highly recommend that you review the 14 day weather forecast for Andermatt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -15° | 5 | 5 | 21 | 190 mm | Awful | Andermatt in January |
| February | -2° / -14° | 6 | 4 | 21 | 149 mm | Awful | Andermatt in February |
| March | 1° / -11° | 10 | 5 | 20 | 188 mm | Awful | Andermatt in March |
| April | 5° / -5° | 14 | 5 | 13 | 232 mm | Awful | Andermatt in April |
| May | 9° / 0° | 21 | 5 | 6 | 376 mm | Awful | Andermatt in May |
| June | 16° / 5° | 22 | 8 | 0 | 425 mm | Ok | Andermatt in June |
| July | 18° / 7° | 21 | 10 | 0 | 434 mm | Ok | Andermatt in July |
| August | 18° / 6° | 21 | 10 | 0 | 425 mm | Ok | Andermatt in August |
| September | 14° / 3° | 14 | 15 | 1 | 224 mm | Ok | Andermatt in September |
| October | 8° / -3° | 11 | 14 | 6 | 243 mm | Awful | Andermatt in October |
| November | 2° / -8° | 8 | 10 | 13 | 252 mm | Awful | Andermatt in November |
| December | -3° / -13° | 6 | 6 | 20 | 218 mm | Awful | Andermatt in December |