Thurlow, British Columbia climate data is summarized below. Average annual temperatures range from 5 °C (low) to 13.3 °C (high). Annual precipitation averages 1701 Millimeters. Thurlow 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.58 °C | 4.16 °C | 209 mm |
| February | 0.16 °C | 5.78 °C | 153 mm |
| March | 1 °C | 7.7 °C | 195 mm |
| April | 2.81 °C | 11.97 °C | 107 mm |
| May | 6.63 °C | 17.17 °C | 65 mm |
| June | 9.3 °C | 20.13 °C | 54 mm |
| July | 11.94 °C | 24.13 °C | 38 mm |
| August | 12.07 °C | 24.41 °C | 50 mm |
| September | 9.36 °C | 20.03 °C | 125 mm |
| October | 5.81 °C | 13.2 °C | 233 mm |
| November | 1.87 °C | 7.17 °C | 267 mm |
| December | -0.79 °C | 3.73 °C | 205 mm |
| Annual | 5 °C | 13.3 °C | 1701 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |