Kirkland Lake, Ontario climate data is summarized below. Average annual temperatures range from 27 °F (low) to 45.5 °F (high). Annual precipitation averages 25.6 Inches. Kirkland Lake is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -29.2 °F | -23.4 °F | 0 in. |
| February | -29.3 °F | -22.9 °F | 0 in. |
| March | -25.2 °F | -18.5 °F | 0 in. |
| April | -20.3 °F | -14.4 °F | 1168.4 in. |
| May | -15.7 °F | -8.8 °F | 2057.4 in. |
| June | -12.4 °F | -5.9 °F | 2082.8 in. |
| July | -10.8 °F | -4.9 °F | 2590.8 in. |
| August | -11.2 °F | -5.4 °F | 2895.6 in. |
| September | -13.9 °F | -8.2 °F | 2387.6 in. |
| October | -16.9 °F | -12.6 °F | 2438.4 in. |
| November | -20.6 °F | -16.7 °F | 914.4 in. |
| December | -26.2 °F | -21.5 °F | 0 in. |
| Annual | 27 °F | 45.5 °F | 25.64 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |