Trois-Pistoles, Quebec climate data is summarized below. Average annual temperatures range from 0.5 °C (low) to 7.5 °C (high). Annual precipitation averages 671 Millimeters. 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 | -13.91 °C | -6.66 °C | 0 mm |
| February | -13.63 °C | -6.08 °C | 0 mm |
| March | -9.54 °C | -1.38 °C | 0 mm |
| April | -1.21 °C | 5.33 °C | 46 mm |
| May | 5.15 °C | 13.21 °C | 69 mm |
| June | 10.07 °C | 18.18 °C | 94 mm |
| July | 13.25 °C | 20.92 °C | 107 mm |
| August | 12.85 °C | 20.54 °C | 90 mm |
| September | 8.72 °C | 16 °C | 92 mm |
| October | 3.89 °C | 9.66 °C | 100 mm |
| November | -1.05 °C | 3.83 °C | 67 mm |
| December | -9.05 °C | -3.25 °C | 6 mm |
| Annual | 0.5 °C | 7.5 °C | 671 mm |
| 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 : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |