Fort Macleod, Alberta climate data is summarized below. Average annual temperatures range from -0.1 °C (low) to 12.4 °C (high). Annual precipitation averages 318 Millimeters. Fort Macleod is located in USDA Plant Hardiness Zone 4a. 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 | -9.84 °C | 0.17 °C | 0 mm |
| February | -8.55 °C | 2.04 °C | 0 mm |
| March | -4.34 °C | 6.69 °C | 0 mm |
| April | -0.91 °C | 11.64 °C | 31 mm |
| May | 3.78 °C | 17.14 °C | 58 mm |
| June | 8.07 °C | 21.08 °C | 91 mm |
| July | 10.9 °C | 25.77 °C | 46 mm |
| August | 9.45 °C | 25.31 °C | 31 mm |
| September | 5.47 °C | 20.78 °C | 34 mm |
| October | 1 °C | 13.43 °C | 26 mm |
| November | -4.96 °C | 5.37 °C | 1 mm |
| December | -11.09 °C | -1.06 °C | 0 mm |
| Annual | -0.1 °C | 12.4 °C | 318 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 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |