| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -9° | -18.9° | 51.6mm | 13.8 | 2 |
| February | -6.8° | -17.6° | 46.9mm | 12.1 | 6 |
| March | -0.4° | -11.1° | 54.9mm | 13 | 4 |
| April | 7.7° | -2.6° | 65mm | 13.3 | 27 |
| May | 16.9° | 4.5° | 70.7mm | 13.4 | 63 |
| June | 22.2° | 10° | 75mm | 12.8 | 74 |
| July | 24.3° | 13.1° | 97.4mm | 15.7 | 70 |
| August | 23.3° | 12.1° | 90.2mm | 14.8 | 70 |
| September | 18.5° | 7.8° | 98.1mm | 12.8 | 70 |
| October | 10.7° | 2.5° | 84.3mm | 14.3 | 42 |
| November | 2.4° | -4.6° | 67.7mm | 14.6 | 6 |
| December | -5° | -12.9° | 69mm | 16.6 | 0 |
January in Chicoutimi averages a daily high of -9°C with nights around -18.9°C. Expect roughly 13.8 wet days totalling 51.6mm. A hard month to visit for comfort alone.
February in Chicoutimi averages a daily high of -6.8°C with nights around -17.6°C. Expect roughly 12.1 wet days totalling 46.9mm. A hard month to visit for comfort alone.
March in Chicoutimi averages a daily high of -0.4°C with nights around -11.1°C. Expect roughly 13 wet days totalling 54.9mm. A hard month to visit for comfort alone.
April in Chicoutimi averages a daily high of 7.7°C with nights around -2.6°C. Expect roughly 13.3 wet days totalling 65mm. A hard month to visit for comfort alone.
May in Chicoutimi averages a daily high of 16.9°C with nights around 4.5°C. Expect roughly 13.4 wet days totalling 70.7mm. Generally workable, with some weather to plan around.
June in Chicoutimi averages a daily high of 22.2°C with nights around 10°C. Expect roughly 12.8 wet days totalling 75mm. Generally workable, with some weather to plan around.
July in Chicoutimi averages a daily high of 24.3°C with nights around 13.1°C. Expect roughly 15.7 wet days totalling 97.4mm. Generally workable, with some weather to plan around.
August in Chicoutimi averages a daily high of 23.3°C with nights around 12.1°C. Expect roughly 14.8 wet days totalling 90.2mm. Generally workable, with some weather to plan around.
September in Chicoutimi averages a daily high of 18.5°C with nights around 7.8°C. Expect roughly 12.8 wet days totalling 98.1mm. Generally workable, with some weather to plan around.
October in Chicoutimi averages a daily high of 10.7°C with nights around 2.5°C. Expect roughly 14.3 wet days totalling 84.3mm. Demanding conditions — pack for it and plan indoor options.
November in Chicoutimi averages a daily high of 2.4°C with nights around -4.6°C. Expect roughly 14.6 wet days totalling 67.7mm. A hard month to visit for comfort alone.
December in Chicoutimi averages a daily high of -5°C with nights around -12.9°C. Expect roughly 16.6 wet days totalling 69mm. 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. Chicoutimi peaks at 74.
Based on 30 years of records, June–September scores highest for comfort in Chicoutimi, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 24.3°C.
September is the wettest, averaging 98.1mm of rain across roughly 12.8 wet days.
January is the coolest month, with average daily highs around -9°C.