Jasper, Alberta climate data is summarized below. Average annual temperatures range from -2.9 °C (low) to 5.7 °C (high). Annual precipitation averages 358 Millimeters. Jasper is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.84 °C | -3.23 °C | 0 mm |
| February | -10.28 °C | -2.47 °C | 0 mm |
| March | -8.29 °C | 0.32 °C | 0 mm |
| April | -5.37 °C | 4.39 °C | 0 mm |
| May | -0.52 °C | 9.67 °C | 47 mm |
| June | 4.25 °C | 13.71 °C | 92 mm |
| July | 7.48 °C | 18.33 °C | 73 mm |
| August | 6.39 °C | 17.38 °C | 62 mm |
| September | 2.71 °C | 12.25 °C | 56 mm |
| October | -1.61 °C | 5.13 °C | 28 mm |
| November | -8.1 °C | -1.82 °C | 0 mm |
| December | -11.79 °C | -5.14 °C | 0 mm |
| Annual | -2.9 °C | 5.7 °C | 358 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |