Carnaby, British Columbia climate data is summarized below. Average annual temperatures range from 33.6 °F (low) to 46.5 °F (high). Annual precipitation averages 22.5 Inches. 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 | -21 °F | -18 °F | 0 in. |
| February | -21.3 °F | -17.7 °F | 0 in. |
| March | -20.6 °F | -16.3 °F | 0 in. |
| April | -18.3 °F | -14 °F | 1117.6 in. |
| May | -15.6 °F | -10.6 °F | 1498.6 in. |
| June | -13.8 °F | -9.1 °F | 1803.4 in. |
| July | -12.2 °F | -7.3 °F | 1524 in. |
| August | -12.6 °F | -7.2 °F | 1676.4 in. |
| September | -14.3 °F | -9.8 °F | 2590.8 in. |
| October | -16.6 °F | -13.6 °F | 3352.8 in. |
| November | -19.5 °F | -17.1 °F | 914.4 in. |
| December | -21.6 °F | -18.9 °F | 0 in. |
| Annual | 33.6 °F | 46.5 °F | 22.45 in. |
| 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 : -20°F to -15°F |
| Current Drought Conditions | Normal |