Sparwood, British Columbia climate data is summarized below. Average annual temperatures range from -2.6 °C (low) to 9.9 °C (high). Annual precipitation averages 355 Millimeters. 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 | -11.71 °C | -1.81 °C | 0 mm |
| February | -10.68 °C | 0.21 °C | 0 mm |
| March | -7.54 °C | 3.91 °C | 0 mm |
| April | -4.8 °C | 8.29 °C | 0 mm |
| May | 0.36 °C | 14.12 °C | 68 mm |
| June | 5.15 °C | 18.88 °C | 107 mm |
| July | 8.37 °C | 24.65 °C | 67 mm |
| August | 7.14 °C | 23.95 °C | 45 mm |
| September | 3.21 °C | 18.25 °C | 35 mm |
| October | -1.15 °C | 10.25 °C | 33 mm |
| November | -7.06 °C | 1.97 °C | 0 mm |
| December | -13.01 °C | -3.56 °C | 0 mm |
| Annual | -2.6 °C | 9.9 °C | 355 mm |
| 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 : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |