Hazelton, British Columbia climate data is summarized below. Average annual temperatures range from 32.9 °F (low) to 46.3 °F (high). Annual precipitation averages 21.2 Inches. Hazelton is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.3 °F | -18.1 °F | 0 in. |
| February | -21.6 °F | -17.9 °F | 0 in. |
| March | -21.3 °F | -16.6 °F | 0 in. |
| April | -18.7 °F | -14.2 °F | 914.4 in. |
| May | -15.7 °F | -10.7 °F | 1549.4 in. |
| June | -13.9 °F | -9.1 °F | 1879.6 in. |
| July | -12.4 °F | -7.4 °F | 1778 in. |
| August | -12.8 °F | -7.2 °F | 1651 in. |
| September | -14.4 °F | -9.7 °F | 2311.4 in. |
| October | -16.6 °F | -13.5 °F | 2895.6 in. |
| November | -19.5 °F | -17 °F | 685.8 in. |
| December | -22 °F | -19 °F | 0 in. |
| Annual | 32.9 °F | 46.3 °F | 21.18 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |