Mayerthorpe, Alberta climate data is summarized below. Average annual temperatures range from -2.3 °C (low) to 8.6 °C (high). Annual precipitation averages 426 Millimeters. Mayerthorpe 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 | -14.07 °C | -5.29 °C | 0 mm |
| February | -13.33 °C | -3.35 °C | 0 mm |
| March | -9.06 °C | 1.49 °C | 0 mm |
| April | -2.13 °C | 9 °C | 23 mm |
| May | 3.52 °C | 16.7 °C | 76 mm |
| June | 8.05 °C | 20.5 °C | 80 mm |
| July | 10.7 °C | 23.45 °C | 102 mm |
| August | 9.41 °C | 22.39 °C | 57 mm |
| September | 4.67 °C | 17.76 °C | 51 mm |
| October | -0.44 °C | 9.64 °C | 37 mm |
| November | -8.02 °C | -0.91 °C | 0 mm |
| December | -16.42 °C | -7.88 °C | 0 mm |
| Annual | -2.3 °C | 8.6 °C | 426 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 |