Crofton, British Columbia climate data is summarized below. Average annual temperatures range from 44.4 °F (low) to 57.4 °F (high). Annual precipitation averages 60.1 Inches. 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 | -16.9 °F | -14.6 °F | 5080 in. |
| February | -16.5 °F | -13.5 °F | 3530.6 in. |
| March | -16.1 °F | -12.5 °F | 3860.8 in. |
| April | -15 °F | -10.6 °F | 1955.8 in. |
| May | -13 °F | -8.1 °F | 1701.8 in. |
| June | -11.6 °F | -6.5 °F | 1168.4 in. |
| July | -10.2 °F | -4.6 °F | 711.2 in. |
| August | -10.2 °F | -4.7 °F | 914.4 in. |
| September | -11.6 °F | -6.7 °F | 2311.4 in. |
| October | -13.7 °F | -10.2 °F | 5461 in. |
| November | -15.7 °F | -12.8 °F | 6578.6 in. |
| December | -17 °F | -14.6 °F | 5511.8 in. |
| Annual | 44.4 °F | 57.4 °F | 60.1 in. |
| 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 : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |