Three Hills, Alberta climate data is summarized below. Average annual temperatures range from 27.6 °F (low) to 48.8 °F (high). Annual precipitation averages 17.8 Inches. Three Hills is located in USDA Plant Hardiness Zone 3b. 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 | -25.9 °F | -20.4 °F | 0 in. |
| February | -25.8 °F | -20 °F | 0 in. |
| March | -22.4 °F | -16.3 °F | 0 in. |
| April | -19.3 °F | -12.5 °F | 990.6 in. |
| May | -15.9 °F | -8.6 °F | 1930.4 in. |
| June | -13.2 °F | -6.6 °F | 3048 in. |
| July | -11.7 °F | -4.7 °F | 2184.4 in. |
| August | -12.6 °F | -5.1 °F | 1473.2 in. |
| September | -15.2 °F | -7.3 °F | 1168.4 in. |
| October | -18.4 °F | -11.5 °F | 711.2 in. |
| November | -22.6 °F | -16.9 °F | 0 in. |
| December | -26.7 °F | -21.3 °F | 0 in. |
| Annual | 27.6 °F | 48.8 °F | 17.83 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 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |