Queensville, Ontario climate data is summarized below. Average annual temperatures range from 2.7 °C (low) to 12.3 °C (high). Annual precipitation averages 779 Millimeters. Queensville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.21 °C | -2.4 °C | 12 mm |
| February | -11.38 °C | -2.83 °C | 2 mm |
| March | -5.63 °C | 3.81 °C | 43 mm |
| April | 1.27 °C | 11.77 °C | 67 mm |
| May | 7.42 °C | 19.4 °C | 97 mm |
| June | 12.46 °C | 23.92 °C | 109 mm |
| July | 15.12 °C | 26.45 °C | 128 mm |
| August | 14.54 °C | 25.48 °C | 119 mm |
| September | 10.25 °C | 21.04 °C | 72 mm |
| October | 5.21 °C | 13.84 °C | 56 mm |
| November | -0.73 °C | 7.16 °C | 44 mm |
| December | -6.02 °C | 0.38 °C | 30 mm |
| Annual | 2.7 °C | 12.3 °C | 779 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |