Fermont, Quebec climate data is summarized below. Average annual temperatures range from -8 °C (low) to 1.4 °C (high). Annual precipitation averages 540 Millimeters. Fermont is located in USDA Plant Hardiness Zone 1a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.02 °C | -16.09 °C | 0 mm |
| February | -26.13 °C | -13.95 °C | 0 mm |
| March | -22.37 °C | -8.66 °C | 0 mm |
| April | -11.53 °C | -0.59 °C | 0 mm |
| May | -2.91 °C | 6.03 °C | 62 mm |
| June | 5.36 °C | 15.55 °C | 83 mm |
| July | 9.06 °C | 18.46 °C | 127 mm |
| August | 8.84 °C | 17.7 °C | 118 mm |
| September | 3.08 °C | 11.27 °C | 101 mm |
| October | -1.77 °C | 4.21 °C | 49 mm |
| November | -10.39 °C | -3.92 °C | 0 mm |
| December | -21.83 °C | -12.66 °C | 0 mm |
| Annual | -8 °C | 1.4 °C | 540 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 1a : |
| Current Drought Conditions | Moderate Drought |