Sexsmith, Alberta climate data is summarized below. Average annual temperatures range from -3.1 °C (low) to 7.3 °C (high). Annual precipitation averages 417 Millimeters. Sexsmith is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.25 °C | -7.15 °C | 0 mm |
| February | -13.48 °C | -5.07 °C | 0 mm |
| March | -10.76 °C | -0.93 °C | 0 mm |
| April | -3.03 °C | 7.45 °C | 33 mm |
| May | 3.06 °C | 16.21 °C | 52 mm |
| June | 7.91 °C | 19.8 °C | 94 mm |
| July | 9.96 °C | 22.65 °C | 83 mm |
| August | 8.89 °C | 21.77 °C | 66 mm |
| September | 4.28 °C | 16.87 °C | 46 mm |
| October | -0.92 °C | 7.95 °C | 43 mm |
| November | -9.67 °C | -2.77 °C | 0 mm |
| December | -17.63 °C | -9.51 °C | 0 mm |
| Annual | -3.1 °C | 7.3 °C | 417 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Moderate Drought |