Carnaby, British Columbia climate data is summarized below. Average annual temperatures range from 0.9 °C (low) to 8.1 °C (high). Annual precipitation averages 570 Millimeters. Carnaby is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.78 °C | -0.35 °C | 0 mm |
| February | -6.29 °C | 0.13 °C | 0 mm |
| March | -5.11 °C | 2.65 °C | 0 mm |
| April | -0.91 °C | 6.79 °C | 44 mm |
| May | 3.91 °C | 12.89 °C | 59 mm |
| June | 7.21 °C | 15.64 °C | 71 mm |
| July | 10.03 °C | 18.84 °C | 60 mm |
| August | 9.29 °C | 19.05 °C | 66 mm |
| September | 6.18 °C | 14.3 °C | 102 mm |
| October | 2.17 °C | 7.58 °C | 132 mm |
| November | -3.08 °C | 1.2 °C | 36 mm |
| December | -6.94 °C | -1.96 °C | 0 mm |
| Annual | 0.9 °C | 8.1 °C | 570 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |