Plessisville, Quebec climate data is summarized below. Average annual temperatures range from 0.6 °C (low) to 10.9 °C (high). Annual precipitation averages 145 Millimeters. Plessisville 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 Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.69 °C | -4.99 °C | 0 mm |
| February | -14.32 °C | -4.54 °C | 0 mm |
| March | -8.39 °C | 1.4 °C | 3 mm |
| April | -0.11 °C | 10.59 °C | 16 mm |
| May | 6.3 °C | 18.59 °C | 13 mm |
| June | 11.37 °C | 22.92 °C | 17 mm |
| July | 14.2 °C | 25.39 °C | 30 mm |
| August | 13.41 °C | 24.48 °C | 20 mm |
| September | 8.79 °C | 20.09 °C | 11 mm |
| October | 3.42 °C | 12.71 °C | 21 mm |
| November | -2.43 °C | 5.8 °C | 11 mm |
| December | -10.07 °C | -2.23 °C | 3 mm |
| Annual | 0.6 °C | 10.9 °C | 145 mm |
| Average First Frost Date | Sep.11 - Sep. 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 |