Richmond, Quebec climate data is summarized below. Average annual temperatures range from 1.2 °C (low) to 11.5 °C (high). Annual precipitation averages 265 Millimeters. Richmond is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.6 °C | -4.32 °C | 0 mm |
| February | -13.59 °C | -4.02 °C | 0 mm |
| March | -7.83 °C | 2.31 °C | 5 mm |
| April | 0.24 °C | 11.43 °C | 19 mm |
| May | 6.86 °C | 19.2 °C | 24 mm |
| June | 11.82 °C | 23.25 °C | 33 mm |
| July | 14.63 °C | 25.91 °C | 63 mm |
| August | 13.8 °C | 24.89 °C | 52 mm |
| September | 9.16 °C | 20.59 °C | 25 mm |
| October | 3.79 °C | 13.38 °C | 25 mm |
| November | -2.1 °C | 6.37 °C | 13 mm |
| December | -8.95 °C | -1.4 °C | 6 mm |
| Annual | 1.2 °C | 11.5 °C | 265 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |