Richmond, British Columbia climate data is summarized below. Average annual temperatures range from 7.3 °C (low) to 14.2 °C (high). Annual precipitation averages 988 Millimeters. Richmond is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.72 °C | 6.36 °C | 125 mm |
| February | 3.06 °C | 8.55 °C | 82 mm |
| March | 3.91 °C | 10.09 °C | 108 mm |
| April | 5.63 °C | 13.39 °C | 60 mm |
| May | 9.11 °C | 17.69 °C | 47 mm |
| June | 11.63 °C | 19.59 °C | 39 mm |
| July | 14.09 °C | 23.13 °C | 27 mm |
| August | 14.14 °C | 22.88 °C | 31 mm |
| September | 11.34 °C | 19.09 °C | 71 mm |
| October | 7.7 °C | 13.83 °C | 151 mm |
| November | 3.98 °C | 9.3 °C | 142 mm |
| December | 1.65 °C | 6.06 °C | 105 mm |
| Annual | 7.3 °C | 14.2 °C | 988 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |