Chestermere, Alberta climate data is summarized below. Average annual temperatures range from -1.5 °C (low) to 10.3 °C (high). Annual precipitation averages 424 Millimeters. Chestermere 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 | -12.52 °C | -1.96 °C | 0 mm |
| February | -11.75 °C | -1.44 °C | 0 mm |
| March | -7 °C | 3.86 °C | 0 mm |
| April | -2.07 °C | 9.74 °C | 34 mm |
| May | 3.62 °C | 16.29 °C | 82 mm |
| June | 8.05 °C | 19.93 °C | 108 mm |
| July | 11.09 °C | 23.66 °C | 73 mm |
| August | 9.61 °C | 23 °C | 50 mm |
| September | 4.8 °C | 18.99 °C | 42 mm |
| October | -0.56 °C | 11.8 °C | 34 mm |
| November | -7.48 °C | 2.89 °C | 1 mm |
| December | -14 °C | -3.71 °C | 0 mm |
| Annual | -1.5 °C | 10.3 °C | 424 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 |