Leader, Saskatchewan climate data is summarized below. Average annual temperatures range from 28 °F (low) to 50.8 °F (high). Annual precipitation averages 15.2 Inches. 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 | -26.6 °F | -21 °F | 0 in. |
| February | -26.4 °F | -20.3 °F | 0 in. |
| March | -22.2 °F | -16 °F | 25.4 in. |
| April | -19 °F | -11.4 °F | 812.8 in. |
| May | -15.6 °F | -7.5 °F | 1295.4 in. |
| June | -12.6 °F | -5.5 °F | 2895.6 in. |
| July | -11.2 °F | -3.4 °F | 2082.8 in. |
| August | -11.8 °F | -3.5 °F | 1320.8 in. |
| September | -14.7 °F | -6.2 °F | 736.6 in. |
| October | -18.2 °F | -10.7 °F | 609.6 in. |
| November | -22.5 °F | -16.5 °F | 0 in. |
| December | -27.2 °F | -21.7 °F | 0 in. |
| Annual | 28 °F | 50.8 °F | 15.16 in. |
| 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 : -30°F to -25°F |
| Current Drought Conditions | Normal |