Nelson, British Columbia climate data is summarized below. Average annual temperatures range from 32.9 °F (low) to 56.9 °F (high). Annual precipitation averages 1.8 Inches. Nelson is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -22.5 °F | -17.2 °F | 0 in. |
| February | -22 °F | -15.3 °F | 0 in. |
| March | -20.9 °F | -13.4 °F | 177.8 in. |
| April | -19.2 °F | -11.3 °F | 127 in. |
| May | -16 °F | -8.2 °F | 177.8 in. |
| June | -13.2 °F | -4.8 °F | 127 in. |
| July | -11.3 °F | -1.8 °F | 330.2 in. |
| August | -11.7 °F | -2 °F | 76.2 in. |
| September | -14.1 °F | -5 °F | 50.8 in. |
| October | -16.6 °F | -9.6 °F | 50.8 in. |
| November | -20 °F | -14.8 °F | 0 in. |
| December | -22.7 °F | -17.7 °F | 25.4 in. |
| Annual | 32.9 °F | 56.9 °F | 1.79 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |