Alliford Bay, British Columbia climate data is summarized below. Alliford Bay is located in USDA Plant Hardiness Zone . The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |