Mackenzie, British Columbia climate data is summarized below. Average annual temperatures range from -2.5 °C (low) to 6.7 °C (high). Annual precipitation averages 400 Millimeters. 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 | -11.68 °C | -4.47 °C | 0 mm |
| February | -11.79 °C | -3.42 °C | 0 mm |
| March | -11 °C | -0.01 °C | 0 mm |
| April | -5.22 °C | 4.77 °C | 33 mm |
| May | 1.76 °C | 12.86 °C | 47 mm |
| June | 6.5 °C | 17.18 °C | 76 mm |
| July | 8.96 °C | 20.77 °C | 56 mm |
| August | 7.85 °C | 20.02 °C | 47 mm |
| September | 3.99 °C | 14.18 °C | 60 mm |
| October | -0.23 °C | 6 °C | 75 mm |
| November | -7.04 °C | -1.75 °C | 6 mm |
| December | -12.25 °C | -5.5 °C | 0 mm |
| Annual | -2.5 °C | 6.7 °C | 400 mm |
| 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 : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |