Château-Richer, Quebec climate data is summarized below. Average annual temperatures range from 33.5 °F (low) to 50.4 °F (high). Annual precipitation averages 32.7 Inches. 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 | -25.9 °F | -21 °F | 0 in. |
| February | -25.3 °F | -20.4 °F | 0 in. |
| March | -22.5 °F | -17.4 °F | 228.6 in. |
| April | -18 °F | -12.9 °F | 1524 in. |
| May | -14.3 °F | -8.2 °F | 2133.6 in. |
| June | -11.4 °F | -5.3 °F | 2768.6 in. |
| July | -9.6 °F | -3.6 °F | 3175 in. |
| August | -10 °F | -4.1 °F | 3073.4 in. |
| September | -12.7 °F | -6.9 °F | 2794 in. |
| October | -15.7 °F | -11.1 °F | 3073.4 in. |
| November | -18.9 °F | -15 °F | 2057.4 in. |
| December | -23.5 °F | -19.4 °F | 279.4 in. |
| Annual | 33.5 °F | 50.4 °F | 32.7 in. |
| 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 : -20°F to -15°F |
| Current Drought Conditions | Normal |