Wallaceburg, Ontario climate data is summarized below. Average annual temperatures range from 4.6 °C (low) to 13.9 °C (high). Annual precipitation averages 453 Millimeters. Wallaceburg is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.98 °C | -0.96 °C | 12 mm |
| February | -9.05 °C | -1.19 °C | 6 mm |
| March | -3 °C | 6.29 °C | 30 mm |
| April | 2.65 °C | 13.59 °C | 49 mm |
| May | 9.11 °C | 20.45 °C | 61 mm |
| June | 14.3 °C | 25.5 °C | 56 mm |
| July | 16.74 °C | 27.65 °C | 52 mm |
| August | 16.13 °C | 26.66 °C | 51 mm |
| September | 11.75 °C | 22.43 °C | 45 mm |
| October | 6.75 °C | 15.84 °C | 35 mm |
| November | 0.99 °C | 8.63 °C | 33 mm |
| December | -3.69 °C | 2.27 °C | 23 mm |
| Annual | 4.6 °C | 13.9 °C | 453 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |