Click on a day for an hourly weather forecast
The temperatures in Campbell River in August are comfortable with low of 13°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Campbell River during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Campbell River in August 2025.
If you’re planning to visit Campbell River in the near future, we highly recommend that you review the 14 day weather forecast for Campbell River before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 0° | 14 | 12 | 5 | 118 mm | Awful | Campbell River in January |
| February | 5° / -1° | 12 | 12 | 5 | 64 mm | Awful | Campbell River in February |
| March | 7° / 1° | 12 | 15 | 4 | 73 mm | Awful | Campbell River in March |
| April | 10° / 3° | 9 | 20 | 1 | 48 mm | Ok | Campbell River in April |
| May | 15° / 7° | 7 | 25 | 0 | 30 mm | Good | Campbell River in May |
| June | 18° / 10° | 7 | 24 | 0 | 27 mm | Good | Campbell River in June |
| July | 22° / 12° | 3 | 28 | 0 | 11 mm | Good | Campbell River in July |
| August | 22° / 13° | 4 | 27 | 0 | 20 mm | Good | Campbell River in August |
| September | 18° / 10° | 9 | 21 | 0 | 61 mm | Ok | Campbell River in September |
| October | 12° / 6° | 13 | 18 | 0 | 92 mm | Bad | Campbell River in October |
| November | 7° / 2° | 15 | 13 | 2 | 132 mm | Awful | Campbell River in November |
| December | 4° / -1° | 15 | 11 | 6 | 108 mm | Awful | Campbell River in December |