Port Essington, British Columbia climate data is summarized below. Average annual temperatures range from 3.7 °C (low) to 8.5 °C (high). Annual precipitation averages 2610 Millimeters. 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 | -0.62 °C | 3.26 °C | 260 mm |
| February | -1.04 °C | 3.41 °C | 200 mm |
| March | -0.21 °C | 4.46 °C | 197 mm |
| April | 1.9 °C | 7.48 °C | 189 mm |
| May | 4.94 °C | 10.73 °C | 130 mm |
| June | 7.34 °C | 12.76 °C | 127 mm |
| July | 9.71 °C | 14.92 °C | 112 mm |
| August | 9.71 °C | 15.5 °C | 170 mm |
| September | 7.89 °C | 13.25 °C | 277 mm |
| October | 5.08 °C | 9.31 °C | 432 mm |
| November | 1.18 °C | 4.89 °C | 300 mm |
| December | -1.71 °C | 2.09 °C | 216 mm |
| Annual | 3.7 °C | 8.5 °C | 2610 mm |
| 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 : -15°C to -12.2°C |
| Current Drought Conditions | Normal |