Repentigny, Quebec climate data is summarized below. Average annual temperatures range from 2.2 °C (low) to 11.4 °C (high). Annual precipitation averages 859 Millimeters. Repentigny is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.62 °C | -5.23 °C | 9 mm |
| February | -13.01 °C | -4.44 °C | 11 mm |
| March | -7.08 °C | 2.07 °C | 35 mm |
| April | 1.42 °C | 11.41 °C | 87 mm |
| May | 8.48 °C | 19.43 °C | 91 mm |
| June | 13.74 °C | 23.94 °C | 129 mm |
| July | 16.43 °C | 26.4 °C | 124 mm |
| August | 15.53 °C | 25.48 °C | 104 mm |
| September | 10.62 °C | 21.02 °C | 76 mm |
| October | 4.82 °C | 13.23 °C | 98 mm |
| November | -1.25 °C | 5.97 °C | 64 mm |
| December | -9.04 °C | -2.25 °C | 31 mm |
| Annual | 2.2 °C | 11.4 °C | 859 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |