| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -5.7° | -13.4° | 73.1mm | 14.5 | 1 |
| February | -3.7° | -12.5° | 75.6mm | 13.9 | 2 |
| March | 1.5° | -6.9° | 80.2mm | 14 | 4 |
| April | 8.8° | 0.7° | 87.8mm | 13.6 | 35 |
| May | 17.1° | 7.2° | 93.7mm | 14.1 | 63 |
| June | 22.1° | 12.5° | 114.7mm | 15.4 | 70 |
| July | 25.6° | 15.6° | 118.6mm | 14.2 | 72 |
| August | 24.7° | 14.9° | 115.5mm | 13.2 | 74 |
| September | 20.1° | 10.4° | 106.2mm | 11.4 | 77 |
| October | 12.8° | 5° | 113.1mm | 13.5 | 50 |
| November | 5.2° | -1.4° | 97.3mm | 13.7 | 20 |
| December | -2° | -8.7° | 109.7mm | 16.3 | 0 |
January in Québec averages a daily high of -5.7°C with nights around -13.4°C. Expect roughly 14.5 wet days totalling 73.1mm. A hard month to visit for comfort alone.
February in Québec averages a daily high of -3.7°C with nights around -12.5°C. Expect roughly 13.9 wet days totalling 75.6mm. A hard month to visit for comfort alone.
March in Québec averages a daily high of 1.5°C with nights around -6.9°C. Expect roughly 14 wet days totalling 80.2mm. A hard month to visit for comfort alone.
April in Québec averages a daily high of 8.8°C with nights around 0.7°C. Expect roughly 13.6 wet days totalling 87.8mm. Demanding conditions — pack for it and plan indoor options.
May in Québec averages a daily high of 17.1°C with nights around 7.2°C. Expect roughly 14.1 wet days totalling 93.7mm. Generally workable, with some weather to plan around.
June in Québec averages a daily high of 22.1°C with nights around 12.5°C. Expect roughly 15.4 wet days totalling 114.7mm. Generally workable, with some weather to plan around.
July in Québec averages a daily high of 25.6°C with nights around 15.6°C. Expect roughly 14.2 wet days totalling 118.6mm. Generally workable, with some weather to plan around.
August in Québec averages a daily high of 24.7°C with nights around 14.9°C. Expect roughly 13.2 wet days totalling 115.5mm. Generally workable, with some weather to plan around.
September in Québec averages a daily high of 20.1°C with nights around 10.4°C. Expect roughly 11.4 wet days totalling 106.2mm. Comfortable conditions for being outdoors all day.
October in Québec averages a daily high of 12.8°C with nights around 5°C. Expect roughly 13.5 wet days totalling 113.1mm. Demanding conditions — pack for it and plan indoor options.
November in Québec averages a daily high of 5.2°C with nights around -1.4°C. Expect roughly 13.7 wet days totalling 97.3mm. A hard month to visit for comfort alone.
December in Québec averages a daily high of -2°C with nights around -8.7°C. Expect roughly 16.3 wet days totalling 109.7mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Québec peaks at 77.
Based on 30 years of records, June–September scores highest for comfort in Québec, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.6°C.
July is the wettest, averaging 118.6mm of rain across roughly 14.2 wet days.
January is the coolest month, with average daily highs around -5.7°C.