Montreal
Canada
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 37 | 32 | 25 | 20 | 18 | 15 | 26 | 31 | 34 | 37 | 38 | 38 | 38 |
| Average high, °C | 22 | 14 | 8 | 1 | -2 | -0 | 5 | 12 | 19 | 24 | 27 | 26 | 13 |
| Average temperature, °C | 16 | 10 | 4 | -2 | -6 | -5 | 0 | 7 | 13 | 19 | 22 | 21 | 8 |
| Average low, °C | 11 | 5 | -0 | -6 | -9 | -9 | -5 | 2 | 7 | 13 | 16 | 15 | 3 |
| Record low, °C | -4 | -8 | -18 | -31 | -31 | -31 | -29 | -17 | -6 | 1 | 4 | 1 | -31 |
| Rain, days | 11 | 12 | 11 | 7 | 5 | 5 | 7 | 11 | 13 | 11 | 10 | 10 | 113 |
| Snow, days | 0 | 0 | 4 | 10 | 13 | 9 | 7 | 3 | 0 | 0 | 0 | 0 | 47 |
| Fog, days | 15 | 15 | 15 | 13 | 11 | 10 | 13 | 11 | 13 | 12 | 12 | 15 | 155 |
| Thunderstorms, days | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 5 | 6 | 5 | 27 |
| Snowfall, cm. | 0 | 0 | 8 | 25 | 30 | 24 | 18 | 5 | 0 | 0 | 0 | 0 | 109 |
| Average precipitation, mm. | 75 | 61 | 75 | 58 | 52 | 48 | 50 | 69 | 74 | 72 | 76 | 78 | 786 |
| Relative humidity morning, % | 87 | 85 | 83 | 82 | 81 | 79 | 78 | 75 | 77 | 80 | 82 | 86 | 81 |
| Relative humidity evening, % | 59 | 62 | 69 | 73 | 72 | 68 | 61 | 54 | 54 | 55 | 53 | 56 | 61 |
| Wind speed, km/h | 13 | 14 | 16 | 17 | 18 | 17 | 17 | 17 | 14 | 13 | 13 | 12 | 15 |
| Monthly sunshine, часов | 216 | 164 | 93 | 86 | 80 | 112 | 159 | 204 | 228 | 250 | 294 | 275 | 2161 |
| Day Length, часов | 13 | 12 | 10 | 10 | 10 | 11 | 13 | 14 | 15 | 16 | 16 | 14 | 13 |
| Dew point, °C | 10 | 4 | 0 | -5 | -8 | -8 | -4 | 0 | 6 | 11 | 14 | 14 | 34 |
| Growing degree-day, °C | 158 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 90 | 233 | 334 | 307 | 1122 |
| Atmosphere pressure, bar | 1007 | 1007 | 1006 | 1006 | 1006 | 1007 | 1006 | 1004 | 1004 | 1003 | 1004 | 1006 | 12066 |
| Solar radiation, global, Mj/m2 | 14 | 9 | 5 | 4 | 5 | 8 | 11 | 16 | 19 | 21 | 21 | 18 | 13 |