Overall on the next 14 days there will be 4 days with snow in Ascona and a total of 10.5 cm of snow.
It will be snowy on the following days:
Overall on the next 14 days there will be 4 days with snow in Ascona and a total of 10.5 cm of snow.
It will be snowy on the following days:
The weather in Ascona in December is very cold with temperatures between -1°C and 4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Ascona during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Ascona is going to experience quite a number of days of snow during December. 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 Ascona in December 2025.
If you’re planning to visit Ascona in the near future, we highly recommend that you review the 14 day weather forecast for Ascona before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 4 | 16 | 11 | 50 mm | Awful | Ascona in January |
| February | 4° / -2° | 5 | 12 | 12 | 56 mm | Awful | Ascona in February |
| March | 8° / 1° | 5 | 17 | 10 | 83 mm | Bad | Ascona in March |
| April | 12° / 4° | 7 | 19 | 5 | 156 mm | Awful | Ascona in April |
| May | 16° / 7° | 10 | 21 | 0 | 178 mm | Ok | Ascona in May |
| June | 20° / 11° | 10 | 20 | 0 | 169 mm | Ok | Ascona in June |
| July | 22° / 13° | 10 | 21 | 0 | 157 mm | Ok | Ascona in July |
| August | 22° / 13° | 8 | 23 | 0 | 152 mm | Ok | Ascona in August |
| September | 18° / 10° | 4 | 26 | 0 | 88 mm | Good | Ascona in September |
| October | 13° / 6° | 4 | 26 | 2 | 157 mm | Bad | Ascona in October |
| November | 8° / 3° | 7 | 16 | 7 | 212 mm | Awful | Ascona in November |
| December | 4° / -1° | 3 | 16 | 12 | 77 mm | Awful | Ascona in December |