Vanderhoof, British Columbia climate data is summarized below. Average annual temperatures range from 28.9 °F (low) to 45.7 °F (high). Annual precipitation averages 18.1 Inches. Vanderhoof is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.5 °F | -19.9 °F | 0 in. |
| February | -23.4 °F | -18.9 °F | 0 in. |
| March | -22.5 °F | -17 °F | 0 in. |
| April | -19.4 °F | -14 °F | 1016 in. |
| May | -16.6 °F | -9.9 °F | 1574.8 in. |
| June | -14.5 °F | -8.4 °F | 2006.6 in. |
| July | -13.1 °F | -6.5 °F | 1778 in. |
| August | -13.6 °F | -6.6 °F | 1244.6 in. |
| September | -15.7 °F | -9.7 °F | 1549.4 in. |
| October | -17.7 °F | -13.8 °F | 1955.8 in. |
| November | -20.9 °F | -17.9 °F | 558.8 in. |
| December | -23.8 °F | -20.2 °F | 0 in. |
| Annual | 28.9 °F | 45.7 °F | 18.11 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Moderate Drought |