Assiniboia, Saskatchewan climate data is summarized below. Average annual temperatures range from -1.4 °C (low) to 10.2 °C (high). Annual precipitation averages 298 Millimeters. Assiniboia 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.18 °C | -5.72 °C | 0 mm |
| February | -15.34 °C | -5.08 °C | 0 mm |
| March | -8.09 °C | 2.5 °C | 0 mm |
| April | -1.79 °C | 10.43 °C | 17 mm |
| May | 4.42 °C | 17.32 °C | 42 mm |
| June | 9.89 °C | 21.73 °C | 76 mm |
| July | 12.63 °C | 26.01 °C | 68 mm |
| August | 11.54 °C | 25.63 °C | 56 mm |
| September | 6.67 °C | 20.56 °C | 25 mm |
| October | 0.46 °C | 12.13 °C | 13 mm |
| November | -7.11 °C | 2.92 °C | 1 mm |
| December | -14.9 °C | -5.94 °C | 0 mm |
| Annual | -1.4 °C | 10.2 °C | 298 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| 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 |