Bécancour, Quebec climate data is summarized below. Average annual temperatures range from 34.8 °F (low) to 51.2 °F (high). Annual precipitation averages 6.4 Inches. Bécancour is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.9 °F | -20.9 °F | 0 in. |
| February | -25.7 °F | -20.4 °F | 0 in. |
| March | -22.5 °F | -17.1 °F | 127 in. |
| April | -17.4 °F | -11.9 °F | 482.6 in. |
| May | -13.6 °F | -7.6 °F | 330.2 in. |
| June | -10.7 °F | -5.1 °F | 558.8 in. |
| July | -9 °F | -3.7 °F | 914.4 in. |
| August | -9.4 °F | -4.2 °F | 482.6 in. |
| September | -12.1 °F | -6.7 °F | 355.6 in. |
| October | -15.1 °F | -10.8 °F | 533.4 in. |
| November | -18.4 °F | -14.7 °F | 254 in. |
| December | -23 °F | -19.3 °F | 101.6 in. |
| Annual | 34.8 °F | 51.2 °F | 6.43 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |