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The weather in Laval in December is very cold with temperatures between 3°C and 9°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Laval 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.
Please note that Laval can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Laval in December 2025.
If you’re planning to visit Laval in the near future, we highly recommend that you review the 14 day weather forecast for Laval before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 2° | 7 | 22 | 2 | 61 mm | Awful | Laval in January |
| February | 9° / 2° | 6 | 20 | 2 | 54 mm | Bad | Laval in February |
| March | 12° / 3° | 5 | 25 | 1 | 49 mm | Ok | Laval in March |
| April | 15° / 5° | 4 | 25 | 1 | 52 mm | Good | Laval in April |
| May | 18° / 8° | 5 | 26 | 0 | 75 mm | Good | Laval in May |
| June | 22° / 11° | 5 | 25 | 0 | 78 mm | Good | Laval in June |
| July | 24° / 13° | 4 | 27 | 0 | 53 mm | Perfect | Laval in July |
| August | 24° / 13° | 3 | 28 | 0 | 50 mm | Perfect | Laval in August |
| September | 22° / 11° | 3 | 27 | 0 | 36 mm | Good | Laval in September |
| October | 17° / 9° | 4 | 27 | 0 | 48 mm | Good | Laval in October |
| November | 12° / 6° | 5 | 25 | 1 | 63 mm | Ok | Laval in November |
| December | 9° / 3° | 6 | 24 | 1 | 69 mm | Ok | Laval in December |