Château-Richer, Quebec climate data is summarized below. Average annual temperatures range from 0.8 °C (low) to 10.2 °C (high). Annual precipitation averages 831 Millimeters. Château-Richer 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 | -14.67 °C | -5.81 °C | 0 mm |
| February | -13.56 °C | -4.7 °C | 0 mm |
| March | -8.46 °C | 0.62 °C | 9 mm |
| April | -0.4 °C | 8.73 °C | 60 mm |
| May | 6.3 °C | 17.32 °C | 84 mm |
| June | 11.57 °C | 22.48 °C | 109 mm |
| July | 14.7 °C | 25.48 °C | 125 mm |
| August | 13.98 °C | 24.6 °C | 121 mm |
| September | 9.23 °C | 19.61 °C | 110 mm |
| October | 3.7 °C | 12.04 °C | 121 mm |
| November | -2.02 °C | 4.92 °C | 81 mm |
| December | -10.36 °C | -2.88 °C | 11 mm |
| Annual | 0.8 °C | 10.2 °C | 831 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 |