Medicine Hat, Alberta climate data is summarized below. Average annual temperatures range from -0.3 °C (low) to 12.4 °C (high). Annual precipitation averages 368 Millimeters. Medicine Hat 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 Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.4 °C | -2.73 °C | 0 mm |
| February | -11.72 °C | -1.08 °C | 0 mm |
| March | -5.47 °C | 6.3 °C | 6 mm |
| April | -0.49 °C | 12.71 °C | 46 mm |
| May | 4.98 °C | 18.71 °C | 63 mm |
| June | 9.63 °C | 22.73 °C | 92 mm |
| July | 12.93 °C | 27.54 °C | 55 mm |
| August | 11.71 °C | 26.98 °C | 41 mm |
| September | 6.72 °C | 21.83 °C | 35 mm |
| October | 0.69 °C | 14.09 °C | 26 mm |
| November | -6.08 °C | 4.88 °C | 4 mm |
| December | -13.78 °C | -3.66 °C | 0 mm |
| Annual | -0.3 °C | 12.4 °C | 368 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |