St. Paul, Alberta climate data is summarized below. Average annual temperatures range from 27.3 °F (low) to 46.6 °F (high). Annual precipitation averages 15.3 Inches. St. Paul is located in USDA Plant Hardiness Zone 3a. 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 | -27.2 °F | -22.2 °F | 0 in. |
| February | -26.8 °F | -21.3 °F | 0 in. |
| March | -23.5 °F | -18.1 °F | 0 in. |
| April | -19 °F | -13.1 °F | 838.2 in. |
| May | -15.6 °F | -8.1 °F | 1092.2 in. |
| June | -12.6 °F | -5.8 °F | 2641.6 in. |
| July | -11.1 °F | -4.3 °F | 2514.6 in. |
| August | -12.1 °F | -4.8 °F | 1244.6 in. |
| September | -15 °F | -7.4 °F | 812.8 in. |
| October | -17.8 °F | -12.4 °F | 711.2 in. |
| November | -22.6 °F | -18.8 °F | 0 in. |
| December | -27.3 °F | -23 °F | 0 in. |
| Annual | 27.3 °F | 46.6 °F | 15.27 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 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |