Edson, Alberta climate data is summarized below. Average annual temperatures range from -3 °C (low) to 8.5 °C (high). Annual precipitation averages 424 Millimeters. Edson is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.43 °C | -4.11 °C | 0 mm |
| February | -12.95 °C | -2.34 °C | 0 mm |
| March | -9.68 °C | 1.76 °C | 0 mm |
| April | -3.63 °C | 8.29 °C | 19 mm |
| May | 2.24 °C | 15.6 °C | 76 mm |
| June | 6.66 °C | 19.28 °C | 89 mm |
| July | 9.25 °C | 22.72 °C | 89 mm |
| August | 8.14 °C | 21.63 °C | 61 mm |
| September | 3.54 °C | 17.3 °C | 51 mm |
| October | -1.38 °C | 9.46 °C | 39 mm |
| November | -8.71 °C | -0.74 °C | 0 mm |
| December | -16.2 °C | -6.8 °C | 0 mm |
| Annual | -3 °C | 8.5 °C | 424 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |