Imperial, Saskatchewan climate data is summarized below. Average annual temperatures range from 26.4 °F (low) to 47 °F (high). Annual precipitation averages 17.1 Inches. Imperial is located in USDA Plant Hardiness Zone 3b. 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 | -28.1 °F | -22.6 °F | 0 in. |
| February | -28.4 °F | -22.6 °F | 0 in. |
| March | -24 °F | -18.2 °F | 0 in. |
| April | -19.4 °F | -12.7 °F | 685.8 in. |
| May | -15.7 °F | -8.1 °F | 1346.2 in. |
| June | -12.5 °F | -5.8 °F | 2844.8 in. |
| July | -11 °F | -4 °F | 2540 in. |
| August | -11.9 °F | -4.4 °F | 1625.6 in. |
| September | -14.7 °F | -6.9 °F | 1143 in. |
| October | -18.1 °F | -11.8 °F | 838.2 in. |
| November | -22.7 °F | -17.6 °F | 0 in. |
| December | -27.7 °F | -22.8 °F | 0 in. |
| Annual | 26.4 °F | 47 °F | 17.09 in. |
| 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 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |