Bentley, Alberta climate data is summarized below. Average annual temperatures range from -3.3 °C (low) to 8.3 °C (high). Annual precipitation averages 518 Millimeters. Bentley 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 | -14.79 °C | -5.67 °C | 0 mm |
| February | -14.45 °C | -3.98 °C | 0 mm |
| March | -9.9 °C | 0.35 °C | 0 mm |
| April | -3.62 °C | 7.83 °C | 37 mm |
| May | 2.39 °C | 15.98 °C | 86 mm |
| June | 7.04 °C | 19.32 °C | 126 mm |
| July | 9.57 °C | 22.55 °C | 113 mm |
| August | 8.08 °C | 21.93 °C | 75 mm |
| September | 3.54 °C | 18.02 °C | 51 mm |
| October | -1.75 °C | 10.19 °C | 30 mm |
| November | -9.04 °C | -0.26 °C | 0 mm |
| December | -16.16 °C | -7.13 °C | 0 mm |
| Annual | -3.3 °C | 8.3 °C | 518 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 | Moderate Drought |