| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | -7.2° | -16.6° | 60.5mm | 15.9 | 0 |
| February | -4.9° | -15.1° | 54.6mm | 14.3 | 1 |
| March | 1.3° | -9° | 60.2mm | 12 | 6 |
| April | 9.1° | -1.3° | 81.3mm | 12.6 | 35 |
| May | 17.1° | 6° | 86.2mm | 12.8 | 65 |
| June | 22.3° | 11.8° | 101.4mm | 12.5 | 75 |
| July | 24.2° | 13.9° | 106.6mm | 12 | 76 |
| August | 23.3° | 13° | 89.4mm | 11.5 | 77 |
| September | 18.5° | 8.8° | 103.6mm | 12.3 | 71 |
| October | 10.7° | 2.5° | 101.7mm | 14.5 | 41 |
| November | 3.2° | -3.9° | 87.6mm | 16.5 | 7 |
| December | -3.8° | -11.6° | 72.9mm | 18 | 0 |
January in North Bay averages a daily high of -7.2°C with nights around -16.6°C. Expect roughly 15.9 wet days totalling 60.5mm. A hard month to visit for comfort alone.
February in North Bay averages a daily high of -4.9°C with nights around -15.1°C. Expect roughly 14.3 wet days totalling 54.6mm. A hard month to visit for comfort alone.
March in North Bay averages a daily high of 1.3°C with nights around -9°C. Expect roughly 12 wet days totalling 60.2mm. A hard month to visit for comfort alone.
April in North Bay averages a daily high of 9.1°C with nights around -1.3°C. Expect roughly 12.6 wet days totalling 81.3mm. Demanding conditions — pack for it and plan indoor options.
May in North Bay averages a daily high of 17.1°C with nights around 6°C. Expect roughly 12.8 wet days totalling 86.2mm. Generally workable, with some weather to plan around.
June in North Bay averages a daily high of 22.3°C with nights around 11.8°C. Expect roughly 12.5 wet days totalling 101.4mm. Comfortable conditions for being outdoors all day.
July in North Bay averages a daily high of 24.2°C with nights around 13.9°C. Expect roughly 12 wet days totalling 106.6mm. Comfortable conditions for being outdoors all day.
August in North Bay averages a daily high of 23.3°C with nights around 13°C. Expect roughly 11.5 wet days totalling 89.4mm. Comfortable conditions for being outdoors all day.
September in North Bay averages a daily high of 18.5°C with nights around 8.8°C. Expect roughly 12.3 wet days totalling 103.6mm. Generally workable, with some weather to plan around.
October in North Bay averages a daily high of 10.7°C with nights around 2.5°C. Expect roughly 14.5 wet days totalling 101.7mm. Demanding conditions — pack for it and plan indoor options.
November in North Bay averages a daily high of 3.2°C with nights around -3.9°C. Expect roughly 16.5 wet days totalling 87.6mm. A hard month to visit for comfort alone.
December in North Bay averages a daily high of -3.8°C with nights around -11.6°C. Expect roughly 18 wet days totalling 72.9mm. 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. North Bay peaks at 77.
Based on 30 years of records, June–September scores highest for comfort in North Bay, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 24.2°C.
July is the wettest, averaging 106.6mm of rain across roughly 12 wet days.
January is the coolest month, with average daily highs around -7.2°C.