Milk River, Alberta climate data is summarized below. Average annual temperatures range from 31.2 °F (low) to 53.2 °F (high). Annual precipitation averages 6 Inches. 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 | -23.6 °F | -18.3 °F | 0 in. |
| February | -23.2 °F | -17.5 °F | 0 in. |
| March | -20.6 °F | -14.5 °F | 50.8 in. |
| April | -18.5 °F | -11.8 °F | 304.8 in. |
| May | -15.7 °F | -8.7 °F | 533.4 in. |
| June | -13.4 °F | -6.3 °F | 914.4 in. |
| July | -11.7 °F | -3.4 °F | 939.8 in. |
| August | -12.3 °F | -3.6 °F | 533.4 in. |
| September | -14.5 °F | -6.5 °F | 304.8 in. |
| October | -17.4 °F | -10.5 °F | 177.8 in. |
| November | -20.9 °F | -15 °F | 101.6 in. |
| December | -24.4 °F | -18.8 °F | 0 in. |
| Annual | 31.2 °F | 53.2 °F | 6 in. |
| 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 : -25°F to -20°F |
| Current Drought Conditions | Severe Drought |