Swan Hills, Alberta climate data is summarized below. Average annual temperatures range from -3.5 °C (low) to 6.2 °C (high). Annual precipitation averages 501 Millimeters. Swan Hills is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.95 °C | -6.42 °C | 0 mm |
| February | -14.65 °C | -5.06 °C | 0 mm |
| March | -11.02 °C | -0.92 °C | 0 mm |
| April | -4 °C | 5.77 °C | 17 mm |
| May | 2.02 °C | 13.98 °C | 85 mm |
| June | 6.67 °C | 17.72 °C | 112 mm |
| July | 9.53 °C | 20.36 °C | 127 mm |
| August | 8.16 °C | 19.05 °C | 80 mm |
| September | 3.53 °C | 14.54 °C | 51 mm |
| October | -1.49 °C | 6.85 °C | 29 mm |
| November | -8.88 °C | -2.52 °C | 0 mm |
| December | -16.48 °C | -8.66 °C | 0 mm |
| Annual | -3.5 °C | 6.2 °C | 501 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |