Comox, British Columbia climate data is summarized below. Average annual temperatures range from 7.2 °C (low) to 13.4 °C (high). Annual precipitation averages 1525 Millimeters. Comox is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.89 °C | 5.75 °C | 212 mm |
| February | 2.51 °C | 7.16 °C | 152 mm |
| March | 3.21 °C | 8.79 °C | 191 mm |
| April | 5.19 °C | 12.06 °C | 86 mm |
| May | 9.01 °C | 16.58 °C | 54 mm |
| June | 11.83 °C | 19 °C | 39 mm |
| July | 14.32 °C | 22.83 °C | 27 mm |
| August | 14.2 °C | 22.59 °C | 34 mm |
| September | 11.12 °C | 18.48 °C | 79 mm |
| October | 7.28 °C | 12.69 °C | 211 mm |
| November | 3.67 °C | 8.54 °C | 240 mm |
| December | 1.69 °C | 5.74 °C | 200 mm |
| Annual | 7.2 °C | 13.4 °C | 1525 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |