Port Coquitlam, British Columbia climate data is summarized below. Average annual temperatures range from 6.7 °C (low) to 15.1 °C (high). Annual precipitation averages 610 Millimeters. 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 | 0.89 °C | 6.07 °C | 86 mm |
| February | 2.28 °C | 8.81 °C | 60 mm |
| March | 3.09 °C | 10.71 °C | 86 mm |
| April | 4.8 °C | 14.64 °C | 40 mm |
| May | 8.58 °C | 19.14 °C | 26 mm |
| June | 11.25 °C | 21.16 °C | 25 mm |
| July | 13.69 °C | 25.1 °C | 22 mm |
| August | 13.73 °C | 24.93 °C | 20 mm |
| September | 10.95 °C | 20.96 °C | 41 mm |
| October | 7.18 °C | 14.85 °C | 79 mm |
| November | 3.24 °C | 9.14 °C | 79 mm |
| December | 0.85 °C | 5.55 °C | 46 mm |
| Annual | 6.7 °C | 15.1 °C | 610 mm |
| 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 : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |