White Rock, British Columbia climate data is summarized below. Average annual temperatures range from 6.7 °C (low) to 13.7 °C (high). Annual precipitation averages 792 Millimeters. White Rock is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.94 °C | 5.9 °C | 103 mm |
| February | 2.38 °C | 8.17 °C | 69 mm |
| March | 3.52 °C | 10.05 °C | 94 mm |
| April | 5.28 °C | 13.16 °C | 49 mm |
| May | 8.43 °C | 16.73 °C | 45 mm |
| June | 10.87 °C | 18.76 °C | 32 mm |
| July | 12.81 °C | 21.89 °C | 17 mm |
| August | 13.06 °C | 22 °C | 19 mm |
| September | 10.66 °C | 18.97 °C | 48 mm |
| October | 7.34 °C | 13.86 °C | 111 mm |
| November | 3.67 °C | 9.08 °C | 119 mm |
| December | 1.11 °C | 5.66 °C | 86 mm |
| Annual | 6.7 °C | 13.7 °C | 792 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |