Leader, Saskatchewan climate data is summarized below. Average annual temperatures range from -2.2 °C (low) to 10.4 °C (high). Annual precipitation averages 385 Millimeters. Leader 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. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.9 °C | -5.75 °C | 0 mm |
| February | -15.54 °C | -4.59 °C | 0 mm |
| March | -7.95 °C | 3.26 °C | 1 mm |
| April | -2.18 °C | 11.41 °C | 32 mm |
| May | 3.84 °C | 18.52 °C | 51 mm |
| June | 9.29 °C | 22.02 °C | 114 mm |
| July | 11.79 °C | 25.96 °C | 82 mm |
| August | 10.77 °C | 25.65 °C | 52 mm |
| September | 5.63 °C | 20.89 °C | 29 mm |
| October | -0.82 °C | 12.7 °C | 24 mm |
| November | -8.48 °C | 2.33 °C | 0 mm |
| December | -16.98 °C | -7.05 °C | 0 mm |
| Annual | -2.2 °C | 10.4 °C | 385 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 | Normal |