Grande Prairie, Alberta climate data is summarized below. Average annual temperatures range from 26.6 °F (low) to 46 °F (high). Annual precipitation averages 15.5 Inches. Grande Prairie 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.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.4 °F | -21.7 °F | 0 in. |
| February | -25.3 °F | -20.4 °F | 0 in. |
| March | -23.9 °F | -18.1 °F | 0 in. |
| April | -19.4 °F | -13.4 °F | 762 in. |
| May | -16 °F | -8.4 °F | 1219.2 in. |
| June | -13.3 °F | -6.5 °F | 2209.8 in. |
| July | -12.1 °F | -4.8 °F | 2108.2 in. |
| August | -12.7 °F | -5.3 °F | 1498.6 in. |
| September | -15.4 °F | -8 °F | 1143 in. |
| October | -18.2 °F | -13 °F | 1066.8 in. |
| November | -23.2 °F | -19.1 °F | 0 in. |
| December | -27.8 °F | -23 °F | 0 in. |
| Annual | 26.6 °F | 46 °F | 15.51 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| 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 | Moderate Drought |