Port Hardy, British Columbia climate data is summarized below. Average annual temperatures range from 6.3 °C (low) to 11 °C (high). Annual precipitation averages 2271 Millimeters. Port Hardy is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.98 °C | 6.7 °C | 286 mm |
| February | 3.15 °C | 7.4 °C | 208 mm |
| March | 3.08 °C | 7.67 °C | 251 mm |
| April | 4.17 °C | 9.59 °C | 159 mm |
| May | 6.88 °C | 12.41 °C | 84 mm |
| June | 9 °C | 14.19 °C | 94 mm |
| July | 10.93 °C | 16.46 °C | 54 mm |
| August | 11 °C | 17.01 °C | 80 mm |
| September | 9.7 °C | 15.1 °C | 155 mm |
| October | 7.4 °C | 11.68 °C | 289 mm |
| November | 4.27 °C | 8.23 °C | 336 mm |
| December | 2.6 °C | 6.03 °C | 275 mm |
| Annual | 6.3 °C | 11 °C | 2271 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |