Coronation, Alberta climate data is summarized below. Average annual temperatures range from -3.7 °C (low) to 8.5 °C (high). Annual precipitation averages 442 Millimeters. Coronation 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.98 °C | -6.71 °C | 0 mm |
| February | -16.77 °C | -6.03 °C | 0 mm |
| March | -10.06 °C | 0.49 °C | 0 mm |
| April | -3.25 °C | 8.92 °C | 31 mm |
| May | 2.67 °C | 16.64 °C | 57 mm |
| June | 7.74 °C | 20.26 °C | 118 mm |
| July | 10.29 °C | 23.99 °C | 93 mm |
| August | 8.95 °C | 23.11 °C | 76 mm |
| September | 3.46 °C | 18.71 °C | 41 mm |
| October | -2.31 °C | 10.75 °C | 26 mm |
| November | -10.03 °C | 0.18 °C | 0 mm |
| December | -18.1 °C | -8.28 °C | 0 mm |
| Annual | -3.7 °C | 8.5 °C | 442 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| 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 | Normal |