Cumberland, British Columbia climate data is summarized below. Average annual temperatures range from 5.4 °C (low) to 12.8 °C (high). Annual precipitation averages 1787 Millimeters. Cumberland is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.18 °C | 4.25 °C | 236 mm |
| February | 0.36 °C | 5.58 °C | 185 mm |
| March | 0.74 °C | 7 °C | 228 mm |
| April | 3.01 °C | 11.13 °C | 99 mm |
| May | 7.29 °C | 16.48 °C | 66 mm |
| June | 10.21 °C | 19 °C | 50 mm |
| July | 13.35 °C | 23.68 °C | 32 mm |
| August | 13.24 °C | 23.62 °C | 37 mm |
| September | 9.81 °C | 19.12 °C | 82 mm |
| October | 5.66 °C | 12.48 °C | 239 mm |
| November | 1.45 °C | 7.15 °C | 286 mm |
| December | -0.8 °C | 3.66 °C | 247 mm |
| Annual | 5.4 °C | 12.8 °C | 1787 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |