Campbell River, British Columbia climate data is summarized below. Average annual temperatures range from 41.2 °F (low) to 55.3 °F (high). Annual precipitation averages 59.5 Inches. Campbell River is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -18 °F | -15.3 °F | 4902.2 in. |
| February | -17.7 °F | -14.4 °F | 3454.4 in. |
| March | -17.2 °F | -13.3 °F | 4546.6 in. |
| April | -16.1 °F | -11.2 °F | 2514.6 in. |
| May | -13.8 °F | -8.5 °F | 1676.4 in. |
| June | -12.1 °F | -7 °F | 1270 in. |
| July | -10.8 °F | -4.7 °F | 1041.4 in. |
| August | -10.9 °F | -4.8 °F | 1244.6 in. |
| September | -12.7 °F | -7.5 °F | 2667 in. |
| October | -14.9 °F | -11 °F | 5283.2 in. |
| November | -17.1 °F | -13.7 °F | 5537.2 in. |
| December | -18.3 °F | -15.5 °F | 4216.4 in. |
| Annual | 41.2 °F | 55.3 °F | 59.45 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |