Redcliff, Alberta climate data is summarized below. Average annual temperatures range from 31 °F (low) to 53.7 °F (high). Annual precipitation averages 14.3 Inches. Redcliff is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.8 °F | -19.4 °F | 0 in. |
| February | -24.5 °F | -18.5 °F | 0 in. |
| March | -21 °F | -14.5 °F | 127 in. |
| April | -18.2 °F | -10.9 °F | 1168.4 in. |
| May | -15.1 °F | -7.6 °F | 1600.2 in. |
| June | -12.5 °F | -5.3 °F | 2311.4 in. |
| July | -10.7 °F | -2.7 °F | 1346.2 in. |
| August | -11.4 °F | -3 °F | 1016 in. |
| September | -14.2 °F | -5.8 °F | 889 in. |
| October | -17.5 °F | -10.1 °F | 660.4 in. |
| November | -21.3 °F | -15.3 °F | 76.2 in. |
| December | -25.6 °F | -20 °F | 0 in. |
| Annual | 31 °F | 53.7 °F | 14.25 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |