Montreal
Canada
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 32 | 29 | 22 | 16 | 13 | 18 | 21 | 30 | 33 | 35 | 36 | 36 | 36 |
| Average high, °C | 20 | 13 | 5 | -2 | -6 | -4 | 2 | 11 | 19 | 24 | 27 | 25 | 11 |
| Average temperature, °C | 15 | 8 | 2 | -6 | -10 | -8 | -2 | 6 | 14 | 19 | 22 | 20 | 7 |
| Average low, °C | 10 | 4 | -2 | -10 | -14 | -12 | -6 | 2 | 9 | 14 | 17 | 15 | 2 |
| Record low, °C | -4 | -7 | -18 | -32 | -35 | -35 | -28 | -16 | -5 | 1 | 6 | 2 | -35 |
| Rain, days | 12 | 13 | 11 | 5 | 3 | 4 | 7 | 11 | 13 | 13 | 12 | 13 | 117 |
| Snow, days | 0 | 0 | 4 | 11 | 12 | 10 | 6 | 2 | 0 | 0 | 0 | 0 | 44 |
| Snowfall, cm. | 0 | 1 | 20 | 56 | 51 | 39 | 33 | 8 | 0 | 0 | 0 | 0 | 208 |
| Average precipitation, mm. | 101 | 83 | 96 | 93 | 76 | 65 | 83 | 78 | 88 | 93 | 97 | 102 | 1055 |
| Relative humidity morning, % | 90 | 86 | 82 | 81 | 75 | 75 | 77 | 78 | 78 | 81 | 85 | 89 | 81 |
| Relative humidity evening, % | 60 | 62 | 69 | 72 | 69 | 65 | 61 | 53 | 52 | 55 | 56 | 57 | 61 |
| Wind speed, km/h | 13 | 15 | 16 | 16 | 17 | 16 | 16 | 17 | 15 | 14 | 13 | 12 | 15 |
| Monthly sunshine, часов | 175 | 141 | 80 | 85 | 96 | 126 | 158 | 178 | 242 | 235 | 265 | 248 | 2028 |
| Day Length, часов | 13 | 11 | 10 | 9 | 10 | 11 | 13 | 14 | 16 | 16 | 16 | 15 | 13 |
| Growing degree-day, °C | 153 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 121 | 263 | 369 | 317 | 1223 |
| Atmosphere pressure, bar | 988 | 988 | 987 | 987 | 986 | 987 | 986 | 985 | 985 | 985 | 985 | 987 | 11836 |
| Solar radiation, global, Mj/m2 | 13 | 8 | 5 | 5 | 6 | 9 | 13 | 17 | 18 | 20 | 19 | 17 | 12 |