Southey, Saskatchewan climate data is summarized below. Average annual temperatures range from -2.6 °C (low) to 8.4 °C (high). Annual precipitation averages 471 Millimeters. Southey is located in USDA Plant Hardiness Zone 3b. 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 | -18.85 °C | -9.04 °C | 0 mm |
| February | -18.84 °C | -8.54 °C | 0 mm |
| March | -10.73 °C | -0.44 °C | 0 mm |
| April | -2.13 °C | 9.23 °C | 34 mm |
| May | 4.42 °C | 17.54 °C | 59 mm |
| June | 10.04 °C | 21.84 °C | 120 mm |
| July | 12.88 °C | 25.09 °C | 104 mm |
| August | 11.45 °C | 24.18 °C | 72 mm |
| September | 6.45 °C | 19.44 °C | 50 mm |
| October | 0.35 °C | 10.66 °C | 32 mm |
| November | -8.75 °C | 0.14 °C | 0 mm |
| December | -17.77 °C | -9.3 °C | 0 mm |
| Annual | -2.6 °C | 8.4 °C | 471 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |