Sherwood Park, Alberta climate data is summarized below. Average annual temperatures range from -1.8 °C (low) to 8.9 °C (high). Annual precipitation averages 429 Millimeters. Sherwood Park is located in USDA Plant Hardiness Zone 4a. 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 | -14.55 °C | -5.97 °C | 0 mm |
| February | -13.88 °C | -4.75 °C | 0 mm |
| March | -8.86 °C | 0.64 °C | 0 mm |
| April | -1.96 °C | 9.08 °C | 35 mm |
| May | 4.13 °C | 17.48 °C | 69 mm |
| June | 9.02 °C | 21.42 °C | 82 mm |
| July | 11.72 °C | 24.09 °C | 112 mm |
| August | 10.06 °C | 23.41 °C | 60 mm |
| September | 5.4 °C | 19.16 °C | 40 mm |
| October | 0.31 °C | 10.71 °C | 31 mm |
| November | -7.45 °C | -0.7 °C | 0 mm |
| December | -15.39 °C | -7.71 °C | 0 mm |
| Annual | -1.8 °C | 8.9 °C | 429 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 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |