Fort Nelson, British Columbia climate data is summarized below. Average annual temperatures range from 22.6 °F (low) to 41.1 °F (high). Annual precipitation averages 12.1 Inches. Fort Nelson is located in USDA Plant Hardiness Zone 3a. 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 | -30.1 °F | -24.6 °F | 0 in. |
| February | -28.9 °F | -22.7 °F | 0 in. |
| March | -26.7 °F | -21 °F | 0 in. |
| April | -20 °F | -15 °F | 381 in. |
| May | -16.3 °F | -9.2 °F | 1168.4 in. |
| June | -13.4 °F | -6.1 °F | 1625.6 in. |
| July | -11.9 °F | -5.1 °F | 2133.6 in. |
| August | -13.1 °F | -6.3 °F | 1219.2 in. |
| September | -15.5 °F | -9.9 °F | 812.8 in. |
| October | -18.6 °F | -14.6 °F | 482.6 in. |
| November | -24.9 °F | -21.1 °F | 0 in. |
| December | -28.9 °F | -24.2 °F | 0 in. |
| Annual | 22.6 °F | 41.1 °F | 12.13 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Abnormally Dry |