| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -6.4° | -14.7° | 70.8mm | 13.5 | 3 |
| February | -4.2° | -13.9° | 72.8mm | 13 | 4 |
| March | 1° | -8.2° | 77.8mm | 12.1 | 6 |
| April | 8.7° | -0.3° | 95.5mm | 12.8 | 35 |
| May | 17.6° | 6.5° | 81.2mm | 12 | 68 |
| June | 22.3° | 11.6° | 109.8mm | 13.9 | 72 |
| July | 25.3° | 14.9° | 111mm | 12.9 | 74 |
| August | 24.3° | 14° | 110.4mm | 11.7 | 77 |
| September | 19.8° | 9.5° | 102.8mm | 10.5 | 78 |
| October | 11.4° | 3.4° | 115.4mm | 12.5 | 47 |
| November | 4.2° | -2.6° | 87.9mm | 13.3 | 16 |
| December | -2.8° | -9.7° | 102.9mm | 14.7 | 1 |
January in Sainte-Foy averages a daily high of -6.4°C with nights around -14.7°C. Expect roughly 13.5 wet days totalling 70.8mm. A hard month to visit for comfort alone.
February in Sainte-Foy averages a daily high of -4.2°C with nights around -13.9°C. Expect roughly 13 wet days totalling 72.8mm. A hard month to visit for comfort alone.
March in Sainte-Foy averages a daily high of 1°C with nights around -8.2°C. Expect roughly 12.1 wet days totalling 77.8mm. A hard month to visit for comfort alone.
April in Sainte-Foy averages a daily high of 8.7°C with nights around -0.3°C. Expect roughly 12.8 wet days totalling 95.5mm. Demanding conditions — pack for it and plan indoor options.
May in Sainte-Foy averages a daily high of 17.6°C with nights around 6.5°C. Expect roughly 12 wet days totalling 81.2mm. Generally workable, with some weather to plan around.
June in Sainte-Foy averages a daily high of 22.3°C with nights around 11.6°C. Expect roughly 13.9 wet days totalling 109.8mm. Generally workable, with some weather to plan around.
July in Sainte-Foy averages a daily high of 25.3°C with nights around 14.9°C. Expect roughly 12.9 wet days totalling 111mm. Generally workable, with some weather to plan around.
August in Sainte-Foy averages a daily high of 24.3°C with nights around 14°C. Expect roughly 11.7 wet days totalling 110.4mm. Comfortable conditions for being outdoors all day.
September in Sainte-Foy averages a daily high of 19.8°C with nights around 9.5°C. Expect roughly 10.5 wet days totalling 102.8mm. Comfortable conditions for being outdoors all day.
October in Sainte-Foy averages a daily high of 11.4°C with nights around 3.4°C. Expect roughly 12.5 wet days totalling 115.4mm. Demanding conditions — pack for it and plan indoor options.
November in Sainte-Foy averages a daily high of 4.2°C with nights around -2.6°C. Expect roughly 13.3 wet days totalling 87.9mm. A hard month to visit for comfort alone.
December in Sainte-Foy averages a daily high of -2.8°C with nights around -9.7°C. Expect roughly 14.7 wet days totalling 102.9mm. 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. Sainte-Foy peaks at 78.
Based on 30 years of records, June–September scores highest for comfort in Sainte-Foy, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.3°C.
October is the wettest, averaging 115.4mm of rain across roughly 12.5 wet days.
January is the coolest month, with average daily highs around -6.4°C.