Bow Island, Alberta climate data is summarized below. Average annual temperatures range from 31.6 °F (low) to 53.7 °F (high). Annual precipitation averages 13.6 Inches. Bow Island is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.4 °F | -19.3 °F | 0 in. |
| February | -23.9 °F | -18.3 °F | 0 in. |
| March | -20.6 °F | -14.4 °F | 101.6 in. |
| April | -18.1 °F | -10.9 °F | 1092.2 in. |
| May | -15 °F | -7.6 °F | 1498.6 in. |
| June | -12.6 °F | -5.5 °F | 2235.2 in. |
| July | -11 °F | -2.9 °F | 1320.8 in. |
| August | -11.6 °F | -3.2 °F | 939.8 in. |
| September | -14.2 °F | -5.9 °F | 863.6 in. |
| October | -17.3 °F | -10.1 °F | 660.4 in. |
| November | -21.1 °F | -15.2 °F | 76.2 in. |
| December | -25 °F | -19.7 °F | 0 in. |
| Annual | 31.6 °F | 53.7 °F | 13.62 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |