Cochrane, Alberta climate data is summarized below. Average annual temperatures range from -1.9 °C (low) to 10 °C (high). Annual precipitation averages 410 Millimeters. Cochrane is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.36 °C | -1.15 °C | 0 mm |
| February | -10.55 °C | 0.18 °C | 0 mm |
| March | -6.91 °C | 4.34 °C | 0 mm |
| April | -2.75 °C | 9.28 °C | 19 mm |
| May | 2.12 °C | 15.1 °C | 83 mm |
| June | 6.36 °C | 18.95 °C | 119 mm |
| July | 9.52 °C | 22.83 °C | 68 mm |
| August | 8.13 °C | 22.08 °C | 48 mm |
| September | 3.82 °C | 17.79 °C | 43 mm |
| October | -0.55 °C | 11.13 °C | 30 mm |
| November | -7.02 °C | 2.9 °C | 0 mm |
| December | -12.98 °C | -3.01 °C | 0 mm |
| Annual | -1.9 °C | 10 °C | 410 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |