Swan Hills, Alberta climate data is summarized below. Average annual temperatures range from 25.8 °F (low) to 43.2 °F (high). Annual precipitation averages 19.7 Inches. 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 | -26.1 °F | -21.3 °F | 0 in. |
| February | -25.9 °F | -20.6 °F | 0 in. |
| March | -23.9 °F | -18.3 °F | 0 in. |
| April | -20 °F | -14.6 °F | 431.8 in. |
| May | -16.7 °F | -10 °F | 2159 in. |
| June | -14.1 °F | -7.9 °F | 2844.8 in. |
| July | -12.5 °F | -6.5 °F | 3225.8 in. |
| August | -13.2 °F | -7.2 °F | 2032 in. |
| September | -15.8 °F | -9.7 °F | 1295.4 in. |
| October | -18.6 °F | -14 °F | 736.6 in. |
| November | -22.7 °F | -19.2 °F | 0 in. |
| December | -26.9 °F | -22.6 °F | 0 in. |
| Annual | 25.8 °F | 43.2 °F | 19.73 in. |
| 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°F to -35°F |
| Current Drought Conditions | Normal |