Imperial, Saskatchewan climate data is summarized below. Average annual temperatures range from -3.1 °C (low) to 8.4 °C (high). Annual precipitation averages 434 Millimeters. 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 | -18.58 °C | -8.72 °C | 0 mm |
| February | -19.06 °C | -8.63 °C | 0 mm |
| March | -11.18 °C | -0.72 °C | 0 mm |
| April | -2.93 °C | 9.07 °C | 27 mm |
| May | 3.82 °C | 17.45 °C | 53 mm |
| June | 9.59 °C | 21.52 °C | 112 mm |
| July | 12.28 °C | 24.75 °C | 100 mm |
| August | 10.63 °C | 24.02 °C | 64 mm |
| September | 5.54 °C | 19.55 °C | 45 mm |
| October | -0.55 °C | 10.8 °C | 33 mm |
| November | -8.88 °C | 0.34 °C | 0 mm |
| December | -17.88 °C | -9.12 °C | 0 mm |
| Annual | -3.1 °C | 8.4 °C | 434 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |