Leroy, Saskatchewan climate data is summarized below. Average annual temperatures range from -3.8 °C (low) to 7.3 °C (high). Annual precipitation averages 438 Millimeters. Leroy is located in USDA Plant Hardiness Zone 3a. 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 | -20.3 °C | -10.62 °C | 0 mm |
| February | -20.58 °C | -10.22 °C | 0 mm |
| March | -13.23 °C | -2.68 °C | 0 mm |
| April | -3.66 °C | 7.55 °C | 27 mm |
| May | 3.67 °C | 17.48 °C | 49 mm |
| June | 9.6 °C | 21.51 °C | 109 mm |
| July | 12.29 °C | 24.11 °C | 106 mm |
| August | 10.39 °C | 23.45 °C | 61 mm |
| September | 5.52 °C | 18.87 °C | 48 mm |
| October | -0.42 °C | 9.67 °C | 38 mm |
| November | -9.3 °C | -1.19 °C | 0 mm |
| December | -19 °C | -10.68 °C | 0 mm |
| Annual | -3.8 °C | 7.3 °C | 438 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 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |