Drayton Valley, Alberta climate data is summarized below. Average annual temperatures range from -2.5 °C (low) to 8.6 °C (high). Annual precipitation averages 478 Millimeters. Drayton Valley is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.75 °C | -5.14 °C | 0 mm |
| February | -13.23 °C | -3.35 °C | 0 mm |
| March | -9.22 °C | 1.18 °C | 0 mm |
| April | -3.02 °C | 8.47 °C | 29 mm |
| May | 2.85 °C | 16.06 °C | 88 mm |
| June | 7.39 °C | 19.77 °C | 103 mm |
| July | 9.98 °C | 22.93 °C | 109 mm |
| August | 8.73 °C | 22.22 °C | 67 mm |
| September | 4.31 °C | 18.09 °C | 48 mm |
| October | -0.78 °C | 10.18 °C | 34 mm |
| November | -7.92 °C | -0.43 °C | 0 mm |
| December | -15.48 °C | -7.13 °C | 0 mm |
| Annual | -2.5 °C | 8.6 °C | 478 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |