Trois-Pistoles, Quebec climate data is summarized below. Average annual temperatures range from 32.8 °F (low) to 45.6 °F (high). Annual precipitation averages 26.4 Inches. Trois-Pistoles 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.5 °F | -21.5 °F | 0 in. |
| February | -25.4 °F | -21.2 °F | 0 in. |
| March | -23.1 °F | -18.5 °F | 0 in. |
| April | -18.5 °F | -14.8 °F | 1168.4 in. |
| May | -14.9 °F | -10.4 °F | 1752.6 in. |
| June | -12.2 °F | -7.7 °F | 2387.6 in. |
| July | -10.4 °F | -6.2 °F | 2717.8 in. |
| August | -10.6 °F | -6.4 °F | 2286 in. |
| September | -12.9 °F | -8.9 °F | 2336.8 in. |
| October | -15.6 °F | -12.4 °F | 2540 in. |
| November | -18.4 °F | -15.7 °F | 1701.8 in. |
| December | -22.8 °F | -19.6 °F | 152.4 in. |
| Annual | 32.8 °F | 45.6 °F | 26.42 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |