Plessisville, Quebec climate data is summarized below. Average annual temperatures range from 33.1 °F (low) to 51.5 °F (high). Annual precipitation averages 5.7 Inches. 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 | -25.9 °F | -20.6 °F | 0 in. |
| February | -25.7 °F | -20.3 °F | 0 in. |
| March | -22.4 °F | -17 °F | 76.2 in. |
| April | -17.8 °F | -11.9 °F | 406.4 in. |
| May | -14.3 °F | -7.5 °F | 330.2 in. |
| June | -11.5 °F | -5 °F | 431.8 in. |
| July | -9.9 °F | -3.7 °F | 762 in. |
| August | -10.3 °F | -4.2 °F | 508 in. |
| September | -12.9 °F | -6.6 °F | 279.4 in. |
| October | -15.9 °F | -10.7 °F | 533.4 in. |
| November | -19.1 °F | -14.6 °F | 279.4 in. |
| December | -23.4 °F | -19 °F | 76.2 in. |
| Annual | 33.1 °F | 51.5 °F | 5.71 in. |
| 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 : -25°F to -20°F |
| Current Drought Conditions | Normal |