Milk River, Alberta climate data is summarized below. Average annual temperatures range from -0.4 °C (low) to 11.8 °C (high). Annual precipitation averages 152 Millimeters. Milk River is located in USDA Plant Hardiness Zone 4b. 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 | -10.47 °C | -0.97 °C | 0 mm |
| February | -9.73 °C | 0.47 °C | 0 mm |
| March | -5.04 °C | 5.89 °C | 2 mm |
| April | -1.38 °C | 10.84 °C | 12 mm |
| May | 3.73 °C | 16.34 °C | 21 mm |
| June | 7.96 °C | 20.59 °C | 36 mm |
| July | 10.98 °C | 25.95 °C | 37 mm |
| August | 9.88 °C | 25.52 °C | 21 mm |
| September | 5.84 °C | 20.36 °C | 12 mm |
| October | 0.65 °C | 13.04 °C | 7 mm |
| November | -5.56 °C | 4.99 °C | 4 mm |
| December | -11.95 °C | -1.89 °C | 0 mm |
| Annual | -0.4 °C | 11.8 °C | 152 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Severe Drought |