Whistler, British Columbia climate data is summarized below. Average annual temperatures range from 33.5 °F (low) to 50.4 °F (high). Annual precipitation averages 3.5 Inches. 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 | -21.1 °F | -17.4 °F | 50.8 in. |
| February | -20.5 °F | -16.5 °F | 0 in. |
| March | -20.1 °F | -15.4 °F | 127 in. |
| April | -19.2 °F | -13.2 °F | 127 in. |
| May | -16.5 °F | -10.4 °F | 279.4 in. |
| June | -14.6 °F | -8.7 °F | 76.2 in. |
| July | -12.2 °F | -4.9 °F | 152.4 in. |
| August | -12.2 °F | -5.1 °F | 127 in. |
| September | -14 °F | -7.5 °F | 330.2 in. |
| October | -16.4 °F | -11.9 °F | 812.8 in. |
| November | -19.6 °F | -16.1 °F | 152.4 in. |
| December | -21.3 °F | -18.1 °F | 0 in. |
| Annual | 33.5 °F | 50.4 °F | 3.48 in. |
| 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 : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |