Wallaceburg, Ontario climate data is summarized below. Average annual temperatures range from 40.2 °F (low) to 57.1 °F (high). Annual precipitation averages 17.8 Inches. 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 | -22.2 °F | -18.3 °F | 304.8 in. |
| February | -22.8 °F | -18.4 °F | 152.4 in. |
| March | -19.4 °F | -14.3 °F | 762 in. |
| April | -16.3 °F | -10.2 °F | 1244.6 in. |
| May | -12.7 °F | -6.4 °F | 1549.4 in. |
| June | -9.8 °F | -3.6 °F | 1422.4 in. |
| July | -8.5 °F | -2.4 °F | 1320.8 in. |
| August | -8.8 °F | -3 °F | 1295.4 in. |
| September | -11.3 °F | -5.3 °F | 1143 in. |
| October | -14 °F | -9 °F | 889 in. |
| November | -17.2 °F | -13 °F | 838.2 in. |
| December | -19.8 °F | -16.5 °F | 584.2 in. |
| Annual | 40.2 °F | 57.1 °F | 17.84 in. |
| 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 : -5°F to 0°F |
| Current Drought Conditions | Normal |