Spirit River, Alberta climate data is summarized below. Average annual temperatures range from -2.3 °C (low) to 7.8 °C (high). Annual precipitation averages 398 Millimeters. Spirit River 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 | -14.38 °C | -6.8 °C | 0 mm |
| February | -13.23 °C | -5.03 °C | 0 mm |
| March | -10.39 °C | -0.47 °C | 0 mm |
| April | -1.9 °C | 8.52 °C | 31 mm |
| May | 3.99 °C | 16.99 °C | 50 mm |
| June | 8.93 °C | 20.75 °C | 94 mm |
| July | 11 °C | 23.5 °C | 69 mm |
| August | 9.8 °C | 22.36 °C | 66 mm |
| September | 5.47 °C | 17.39 °C | 45 mm |
| October | -0.07 °C | 8.31 °C | 43 mm |
| November | -9.2 °C | -2.55 °C | 0 mm |
| December | -17.2 °C | -9.38 °C | 0 mm |
| Annual | -2.3 °C | 7.8 °C | 398 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |