Port Coquitlam, British Columbia climate data is summarized below. Average annual temperatures range from 44.1 °F (low) to 59.2 °F (high). Annual precipitation averages 24 Inches. Port Coquitlam is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -17.3 °F | -14.4 °F | 2184.4 in. |
| February | -16.5 °F | -12.9 °F | 1524 in. |
| March | -16.1 °F | -11.8 °F | 2184.4 in. |
| April | -15.1 °F | -9.6 °F | 1016 in. |
| May | -13 °F | -7.1 °F | 660.4 in. |
| June | -11.5 °F | -6 °F | 635 in. |
| July | -10.2 °F | -3.8 °F | 558.8 in. |
| August | -10.2 °F | -3.9 °F | 508 in. |
| September | -11.7 °F | -6.1 °F | 1041.4 in. |
| October | -13.8 °F | -9.5 °F | 2006.6 in. |
| November | -16 °F | -12.7 °F | 2006.6 in. |
| December | -17.3 °F | -14.7 °F | 1168.4 in. |
| Annual | 44.1 °F | 59.2 °F | 24.01 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |