Whistler, British Columbia climate data is summarized below. Average annual temperatures range from 0.8 °C (low) to 10.2 °C (high). Annual precipitation averages 88 Millimeters. Whistler is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.06 °C | 0.63 °C | 2 mm |
| February | -4.93 °C | 2.39 °C | 0 mm |
| March | -4.22 °C | 4.37 °C | 5 mm |
| April | -2.63 °C | 8.29 °C | 5 mm |
| May | 2.27 °C | 13.3 °C | 11 mm |
| June | 5.73 °C | 16.3 °C | 3 mm |
| July | 10.11 °C | 23.15 °C | 6 mm |
| August | 10.1 °C | 22.84 °C | 5 mm |
| September | 6.8 °C | 18.48 °C | 13 mm |
| October | 2.5 °C | 10.58 °C | 32 mm |
| November | -3.21 °C | 3.04 °C | 6 mm |
| December | -6.35 °C | -0.66 °C | 0 mm |
| Annual | 0.8 °C | 10.2 °C | 88 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |