Ladysmith, British Columbia climate data is summarized below. Average annual temperatures range from 6 °C (low) to 13 °C (high). Annual precipitation averages 1494 Millimeters. Ladysmith is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.45 °C | 5.17 °C | 199 mm |
| February | 1.58 °C | 6.92 °C | 132 mm |
| March | 2.19 °C | 8.31 °C | 152 mm |
| April | 3.92 °C | 11.54 °C | 73 mm |
| May | 7.76 °C | 16.07 °C | 56 mm |
| June | 10.5 °C | 18.48 °C | 45 mm |
| July | 13.39 °C | 22.61 °C | 34 mm |
| August | 13.32 °C | 22.54 °C | 41 mm |
| September | 10.23 °C | 18.6 °C | 85 mm |
| October | 6.01 °C | 12.68 °C | 230 mm |
| November | 2.29 °C | 8.03 °C | 260 mm |
| December | -0.15 °C | 4.71 °C | 187 mm |
| Annual | 6 °C | 13 °C | 1494 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |