Port Essington, British Columbia climate data is summarized below. Average annual temperatures range from 38.6 °F (low) to 47.3 °F (high). Annual precipitation averages 102.8 Inches. Port Essington is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -18.1 °F | -16 °F | 6604 in. |
| February | -18.4 °F | -15.9 °F | 5080 in. |
| March | -17.9 °F | -15.3 °F | 5003.8 in. |
| April | -16.7 °F | -13.6 °F | 4800.6 in. |
| May | -15 °F | -11.8 °F | 3302 in. |
| June | -13.7 °F | -10.7 °F | 3225.8 in. |
| July | -12.4 °F | -9.5 °F | 2844.8 in. |
| August | -12.4 °F | -9.2 °F | 4318 in. |
| September | -13.4 °F | -10.4 °F | 7035.8 in. |
| October | -15 °F | -12.6 °F | 10972.8 in. |
| November | -17.1 °F | -15.1 °F | 7620 in. |
| December | -18.7 °F | -16.6 °F | 5486.4 in. |
| Annual | 38.6 °F | 47.3 °F | 102.76 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |