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The weather in Glarus in December is very cold with temperatures between -7°C and -1°C, warm clothes are a must.
Glarus is going to be cold and wet in the month of December. Expect low temperatures and a few days of rain, so be sure to bundle up to avoid catching a cold.
Let it snow! You can expect Glarus to be covered in white during the month of December. 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 Glarus in December 2026.
If you’re planning to visit Glarus in the near future, we highly recommend that you review the 14 day weather forecast for Glarus before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -9° | 1 | 9 | 21 | 257 mm | Awful | Glarus in January |
| February | -2° / -9° | 2 | 6 | 21 | 174 mm | Awful | Glarus in February |
| March | 1° / -6° | 3 | 7 | 22 | 206 mm | Awful | Glarus in March |
| April | 6° / -1° | 9 | 5 | 17 | 205 mm | Awful | Glarus in April |
| May | 10° / 2° | 14 | 4 | 14 | 394 mm | Awful | Glarus in May |
| June | 14° / 7° | 18 | 8 | 4 | 463 mm | Bad | Glarus in June |
| July | 16° / 8° | 18 | 12 | 1 | 403 mm | Ok | Glarus in July |
| August | 16° / 8° | 17 | 13 | 1 | 463 mm | Ok | Glarus in August |
| September | 13° / 5° | 11 | 15 | 4 | 252 mm | Awful | Glarus in September |
| October | 8° / 1° | 8 | 12 | 11 | 213 mm | Awful | Glarus in October |
| November | 4° / -2° | 4 | 11 | 16 | 210 mm | Awful | Glarus in November |
| December | -1° / -7° | 2 | 8 | 21 | 228 mm | Awful | Glarus in December |