Mackenzie, British Columbia climate data is summarized below. Average annual temperatures range from 27.5 °F (low) to 44.1 °F (high). Annual precipitation averages 15.7 Inches. Mackenzie is located in USDA Plant Hardiness Zone 4a. 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 | -24.3 °F | -20.3 °F | 0 in. |
| February | -24.3 °F | -19.7 °F | 0 in. |
| March | -23.9 °F | -17.8 °F | 0 in. |
| April | -20.7 °F | -15.1 °F | 838.2 in. |
| May | -16.8 °F | -10.6 °F | 1193.8 in. |
| June | -14.2 °F | -8.2 °F | 1930.4 in. |
| July | -12.8 °F | -6.2 °F | 1422.4 in. |
| August | -13.4 °F | -6.7 °F | 1193.8 in. |
| September | -15.6 °F | -9.9 °F | 1524 in. |
| October | -17.9 °F | -14.4 °F | 1905 in. |
| November | -21.7 °F | -18.8 °F | 152.4 in. |
| December | -24.6 °F | -20.8 °F | 0 in. |
| Annual | 27.5 °F | 44.1 °F | 15.74 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 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |