Crofton, British Columbia climate data is summarized below. Average annual temperatures range from 6.9 °C (low) to 14.1 °C (high). Annual precipitation averages 1527 Millimeters. Crofton is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.55 °C | 5.81 °C | 200 mm |
| February | 2.39 °C | 7.74 °C | 139 mm |
| March | 3.09 °C | 9.46 °C | 152 mm |
| April | 4.94 °C | 13.01 °C | 77 mm |
| May | 8.58 °C | 17.42 °C | 67 mm |
| June | 11.12 °C | 20.34 °C | 46 mm |
| July | 13.68 °C | 23.67 °C | 28 mm |
| August | 13.69 °C | 23.6 °C | 36 mm |
| September | 11.04 °C | 19.91 °C | 91 mm |
| October | 7.39 °C | 13.6 °C | 215 mm |
| November | 3.72 °C | 8.88 °C | 259 mm |
| December | 1.47 °C | 5.7 °C | 217 mm |
| Annual | 6.9 °C | 14.1 °C | 1527 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |