Morinville, Alberta climate data is summarized below. Average annual temperatures range from -2 °C (low) to 8.7 °C (high). Annual precipitation averages 416 Millimeters. Morinville 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 | -14.83 °C | -6.05 °C | 0 mm |
| February | -13.85 °C | -4.54 °C | 0 mm |
| March | -9.56 °C | 0.2 °C | 0 mm |
| April | -2.12 °C | 8.63 °C | 33 mm |
| May | 4.26 °C | 17.32 °C | 69 mm |
| June | 9.11 °C | 21.37 °C | 81 mm |
| July | 11.79 °C | 23.91 °C | 113 mm |
| August | 10.23 °C | 23.19 °C | 53 mm |
| September | 5.35 °C | 18.78 °C | 37 mm |
| October | 0.09 °C | 10.32 °C | 30 mm |
| November | -7.75 °C | -0.99 °C | 0 mm |
| December | -16.16 °C | -8.12 °C | 0 mm |
| Annual | -2 °C | 8.7 °C | 416 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |