Whitecourt, Alberta climate data is summarized below. Average annual temperatures range from 27.3 °F (low) to 46.4 °F (high). Annual precipitation averages 17.5 Inches. Whitecourt is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.5 °F | -20.7 °F | 0 in. |
| February | -25.2 °F | -19.7 °F | 0 in. |
| March | -23.3 °F | -17.2 °F | 0 in. |
| April | -19.3 °F | -13.2 °F | 558.8 in. |
| May | -16 °F | -9 °F | 1879.6 in. |
| June | -13.6 °F | -7 °F | 2260.6 in. |
| July | -12.2 °F | -5.3 °F | 2590.8 in. |
| August | -12.8 °F | -5.9 °F | 1727.2 in. |
| September | -15.3 °F | -8.4 °F | 1397 in. |
| October | -18.2 °F | -12.9 °F | 889 in. |
| November | -22.5 °F | -18.6 °F | 0 in. |
| December | -26.8 °F | -22.2 °F | 0 in. |
| Annual | 27.3 °F | 46.4 °F | 17.53 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |