New Richmond, Quebec climate data is summarized below. Average annual temperatures range from 32.3 °F (low) to 47.4 °F (high). Annual precipitation averages 30.7 Inches. New Richmond is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.9 °F | -20.9 °F | 0 in. |
| February | -25.5 °F | -20.3 °F | 0 in. |
| March | -23.7 °F | -18.2 °F | 152.4 in. |
| April | -19.3 °F | -15 °F | 1320.8 in. |
| May | -15.3 °F | -10.3 °F | 2159 in. |
| June | -12.2 °F | -7.4 °F | 2565.4 in. |
| July | -10.1 °F | -5.3 °F | 3175 in. |
| August | -10.2 °F | -5.5 °F | 2743.2 in. |
| September | -12.9 °F | -7.9 °F | 2540 in. |
| October | -15.6 °F | -11.5 °F | 2692.4 in. |
| November | -18.6 °F | -15.2 °F | 1828.8 in. |
| December | -23.1 °F | -19 °F | 609.6 in. |
| Annual | 32.3 °F | 47.4 °F | 30.67 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |