Bonnyville, Alberta climate data is summarized below. Average annual temperatures range from 27.3 °F (low) to 46.7 °F (high). Annual precipitation averages 15.2 Inches. Bonnyville is located in USDA Plant Hardiness Zone 3a. 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 | -27.7 °F | -22.5 °F | 0 in. |
| February | -27.2 °F | -21.5 °F | 0 in. |
| March | -23.8 °F | -18.2 °F | 0 in. |
| April | -19 °F | -12.9 °F | 787.4 in. |
| May | -15.3 °F | -7.8 °F | 914.4 in. |
| June | -12.3 °F | -5.4 °F | 2540 in. |
| July | -10.9 °F | -4 °F | 2590.8 in. |
| August | -11.8 °F | -4.7 °F | 1346.2 in. |
| September | -14.8 °F | -7.4 °F | 838.2 in. |
| October | -17.7 °F | -12.5 °F | 762 in. |
| November | -22.7 °F | -18.8 °F | 0 in. |
| December | -27.5 °F | -23.1 °F | 0 in. |
| Annual | 27.3 °F | 46.7 °F | 15.17 in. |
| 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 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |