Sparwood, British Columbia climate data is summarized below. Average annual temperatures range from 27.3 °F (low) to 49.9 °F (high). Annual precipitation averages 14 Inches. Sparwood is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.3 °F | -18.8 °F | 0 in. |
| February | -23.7 °F | -17.7 °F | 0 in. |
| March | -22 °F | -15.6 °F | 0 in. |
| April | -20.4 °F | -13.2 °F | 0 in. |
| May | -17.6 °F | -9.9 °F | 1727.2 in. |
| June | -14.9 °F | -7.3 °F | 2717.8 in. |
| July | -13.1 °F | -4.1 °F | 1701.8 in. |
| August | -13.8 °F | -4.5 °F | 1143 in. |
| September | -16 °F | -7.6 °F | 889 in. |
| October | -18.4 °F | -12.1 °F | 838.2 in. |
| November | -21.7 °F | -16.7 °F | 0 in. |
| December | -25 °F | -19.8 °F | 0 in. |
| Annual | 27.3 °F | 49.9 °F | 13.98 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |