Cap-Saint-Ignace, Quebec climate data is summarized below. Average annual temperatures range from 2.1 °C (low) to 9.2 °C (high). Annual precipitation averages 655 Millimeters. Cap-Saint-Ignace 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.36 °C | -5.49 °C | 0 mm |
| February | -12.59 °C | -4.68 °C | 0 mm |
| March | -7.92 °C | -0.06 °C | 0 mm |
| April | 0.32 °C | 7.29 °C | 43 mm |
| May | 6.91 °C | 15.12 °C | 71 mm |
| June | 11.91 °C | 19.69 °C | 83 mm |
| July | 15.18 °C | 22.8 °C | 89 mm |
| August | 15.03 °C | 22.43 °C | 99 mm |
| September | 10.89 °C | 18.29 °C | 89 mm |
| October | 5.75 °C | 11.74 °C | 104 mm |
| November | 0.31 °C | 5.6 °C | 72 mm |
| December | -7.77 °C | -1.79 °C | 5 mm |
| Annual | 2.1 °C | 9.2 °C | 655 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |