Innisfail, Alberta climate data is summarized below. Average annual temperatures range from 26.4 °F (low) to 48.1 °F (high). Annual precipitation averages 19.4 Inches. Innisfail is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.1 °F | -20.5 °F | 0 in. |
| February | -25.9 °F | -19.7 °F | 0 in. |
| March | -22.8 °F | -16.8 °F | 0 in. |
| April | -19.7 °F | -12.9 °F | 990.6 in. |
| May | -16.3 °F | -8.7 °F | 2260.6 in. |
| June | -13.7 °F | -6.7 °F | 3225.8 in. |
| July | -12.3 °F | -4.9 °F | 2336.8 in. |
| August | -13.2 °F | -5.3 °F | 1701.8 in. |
| September | -15.7 °F | -7.5 °F | 1270 in. |
| October | -18.7 °F | -11.8 °F | 711.2 in. |
| November | -22.8 °F | -17.4 °F | 0 in. |
| December | -26.7 °F | -21.4 °F | 0 in. |
| Annual | 26.4 °F | 48.1 °F | 19.37 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |