Greenwood, British Columbia climate data is summarized below. Average annual temperatures range from 0.5 °C (low) to 13 °C (high). Annual precipitation averages 70 Millimeters. Greenwood is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.45 °C | -1.15 °C | 0 mm |
| February | -7.78 °C | 2.08 °C | 0 mm |
| March | -5.55 °C | 6.05 °C | 2 mm |
| April | -0.77 °C | 12.32 °C | 4 mm |
| May | 4.52 °C | 19.07 °C | 10 mm |
| June | 8.15 °C | 22.59 °C | 17 mm |
| July | 11.39 °C | 28.32 °C | 20 mm |
| August | 10.65 °C | 28 °C | 9 mm |
| September | 5.98 °C | 22.42 °C | 4 mm |
| October | 1.35 °C | 13.83 °C | 3 mm |
| November | -3.77 °C | 4.13 °C | 1 mm |
| December | -8.9 °C | -1.2 °C | 0 mm |
| Annual | 0.5 °C | 13 °C | 70 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |