Whitecourt, Alberta climate data is summarized below. Average annual temperatures range from -2.6 °C (low) to 8 °C (high). Annual precipitation averages 445 Millimeters. 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 | -13.96 °C | -5.22 °C | 0 mm |
| February | -13.4 °C | -3.47 °C | 0 mm |
| March | -9.97 °C | 0.96 °C | 0 mm |
| April | -2.65 °C | 8.29 °C | 22 mm |
| May | 3.17 °C | 15.87 °C | 74 mm |
| June | 7.52 °C | 19.48 °C | 89 mm |
| July | 10.13 °C | 22.43 °C | 102 mm |
| August | 8.9 °C | 21.3 °C | 68 mm |
| September | 4.39 °C | 16.9 °C | 55 mm |
| October | -0.8 °C | 8.8 °C | 35 mm |
| November | -8.53 °C | -1.44 °C | 0 mm |
| December | -16.32 °C | -8 °C | 0 mm |
| Annual | -2.6 °C | 8 °C | 445 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |