Mayerthorpe, Alberta climate data is summarized below. Average annual temperatures range from 27.9 °F (low) to 47.5 °F (high). Annual precipitation averages 16.8 Inches. 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 | -25.6 °F | -20.7 °F | 0 in. |
| February | -25.2 °F | -19.6 °F | 0 in. |
| March | -22.8 °F | -17 °F | 0 in. |
| April | -19 °F | -12.8 °F | 584.2 in. |
| May | -15.8 °F | -8.5 °F | 1930.4 in. |
| June | -13.3 °F | -6.4 °F | 2032 in. |
| July | -11.8 °F | -4.8 °F | 2590.8 in. |
| August | -12.6 °F | -5.3 °F | 1447.8 in. |
| September | -15.2 °F | -7.9 °F | 1295.4 in. |
| October | -18 °F | -12.4 °F | 939.8 in. |
| November | -22.2 °F | -18.3 °F | 0 in. |
| December | -26.9 °F | -22.2 °F | 0 in. |
| Annual | 27.9 °F | 47.5 °F | 16.78 in. |
| 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°F to -35°F |
| Current Drought Conditions | Normal |