| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 0.3° | -5.8° | 23.2mm | 9 | 15 |
| February | 4.5° | -3.7° | 17.4mm | 6.9 | 28 |
| March | 10.4° | -0.5° | 14.3mm | 6.5 | 53 |
| April | 16.4° | 3.1° | 12.9mm | 5.9 | 77 |
| May | 21.3° | 7.7° | 26.9mm | 9.1 | 82 |
| June | 24.9° | 11.5° | 34.8mm | 9.9 | 80 |
| July | 29.4° | 14.5° | 26.6mm | 6.6 | 77 |
| August | 28.9° | 13.6° | 18.2mm | 5.5 | 81 |
| September | 23° | 9.1° | 24.7mm | 7.4 | 85 |
| October | 13.7° | 3.5° | 21.8mm | 8.9 | 62 |
| November | 6° | -0.9° | 24.8mm | 9.2 | 32 |
| December | 0.9° | -5.1° | 25.8mm | 10.6 | 13 |
January in Kamloops averages a daily high of 0.3°C with nights around -5.8°C. Expect roughly 9 wet days totalling 23.2mm. A hard month to visit for comfort alone.
February in Kamloops averages a daily high of 4.5°C with nights around -3.7°C. Expect roughly 6.9 wet days totalling 17.4mm. A hard month to visit for comfort alone.
March in Kamloops averages a daily high of 10.4°C with nights around -0.5°C. Expect roughly 6.5 wet days totalling 14.3mm. Demanding conditions — pack for it and plan indoor options.
April in Kamloops averages a daily high of 16.4°C with nights around 3.1°C. Expect roughly 5.9 wet days totalling 12.9mm. Comfortable conditions for being outdoors all day.
May in Kamloops averages a daily high of 21.3°C with nights around 7.7°C. Expect roughly 9.1 wet days totalling 26.9mm. Comfortable conditions for being outdoors all day.
June in Kamloops averages a daily high of 24.9°C with nights around 11.5°C. Expect roughly 9.9 wet days totalling 34.8mm. Comfortable conditions for being outdoors all day.
July in Kamloops averages a daily high of 29.4°C with nights around 14.5°C. Expect roughly 6.6 wet days totalling 26.6mm. Comfortable conditions for being outdoors all day.
August in Kamloops averages a daily high of 28.9°C with nights around 13.6°C. Expect roughly 5.5 wet days totalling 18.2mm. Comfortable conditions for being outdoors all day.
September in Kamloops averages a daily high of 23°C with nights around 9.1°C. Expect roughly 7.4 wet days totalling 24.7mm. Comfortable conditions for being outdoors all day.
October in Kamloops averages a daily high of 13.7°C with nights around 3.5°C. Expect roughly 8.9 wet days totalling 21.8mm. Generally workable, with some weather to plan around.
November in Kamloops averages a daily high of 6°C with nights around -0.9°C. Expect roughly 9.2 wet days totalling 24.8mm. A hard month to visit for comfort alone.
December in Kamloops averages a daily high of 0.9°C with nights around -5.1°C. Expect roughly 10.6 wet days totalling 25.8mm. 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. Kamloops peaks at 85.
Based on 30 years of records, April–September scores highest for comfort in Kamloops, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.4°C.
June is the wettest, averaging 34.8mm of rain across roughly 9.9 wet days.
January is the coolest month, with average daily highs around 0.3°C.