Bow Island, Alberta climate data is summarized below. Average annual temperatures range from -0.2 °C (low) to 12.1 °C (high). Annual precipitation averages 346 Millimeters. 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 | -11.91 °C | -2.74 °C | 0 mm |
| February | -11 °C | -0.99 °C | 0 mm |
| March | -5.15 °C | 6.09 °C | 4 mm |
| April | -0.58 °C | 12.34 °C | 43 mm |
| May | 5.05 °C | 18.35 °C | 59 mm |
| June | 9.34 °C | 22.14 °C | 88 mm |
| July | 12.22 °C | 26.73 °C | 52 mm |
| August | 11.14 °C | 26.33 °C | 37 mm |
| September | 6.47 °C | 21.41 °C | 34 mm |
| October | 0.86 °C | 13.8 °C | 26 mm |
| November | -5.9 °C | 4.67 °C | 3 mm |
| December | -12.96 °C | -3.43 °C | 0 mm |
| Annual | -0.2 °C | 12.1 °C | 346 mm |
| 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 : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |