Sainte-Catherine, Quebec climate data is summarized below. Average annual temperatures range from 3.5 °C (low) to 12.3 °C (high). Annual precipitation averages 932 Millimeters. Sainte-Catherine is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.63 °C | -3.91 °C | 17 mm |
| February | -11.32 °C | -3.58 °C | 22 mm |
| March | -5.28 °C | 3.24 °C | 62 mm |
| April | 2.44 °C | 12.4 °C | 111 mm |
| May | 9.23 °C | 19.95 °C | 95 mm |
| June | 14.39 °C | 24.34 °C | 96 mm |
| July | 17.12 °C | 27.05 °C | 125 mm |
| August | 16.36 °C | 26.17 °C | 91 mm |
| September | 11.62 °C | 21.59 °C | 70 mm |
| October | 5.92 °C | 13.96 °C | 113 mm |
| November | -0.19 °C | 6.98 °C | 76 mm |
| December | -7.16 °C | -1.03 °C | 54 mm |
| Annual | 3.5 °C | 12.3 °C | 932 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |