Redwater, Alberta climate data is summarized below. Average annual temperatures range from 28.5 °F (low) to 47.7 °F (high). Annual precipitation averages 15.7 Inches. Redwater is located in USDA Plant Hardiness Zone 3a. 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 | -26.3 °F | -21.3 °F | 0 in. |
| February | -25.8 °F | -20.5 °F | 0 in. |
| March | -23.3 °F | -17.8 °F | 0 in. |
| April | -18.8 °F | -12.9 °F | 889 in. |
| May | -15.4 °F | -8.1 °F | 1574.8 in. |
| June | -12.6 °F | -5.8 °F | 1905 in. |
| July | -11 °F | -4.3 °F | 2768.6 in. |
| August | -11.9 °F | -4.7 °F | 1295.4 in. |
| September | -14.7 °F | -7.3 °F | 939.8 in. |
| October | -17.6 °F | -12 °F | 736.6 in. |
| November | -22.1 °F | -18.4 °F | 25.4 in. |
| December | -26.9 °F | -22.4 °F | 0 in. |
| Annual | 28.5 °F | 47.7 °F | 15.71 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 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |