Alma, Quebec climate data is summarized below. Average annual temperatures range from -1.3 °C (low) to 8.9 °C (high). Annual precipitation averages 747 Millimeters. Alma 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.36 °C | -9.08 °C | 0 mm |
| February | -18.32 °C | -7.46 °C | 0 mm |
| March | -12.71 °C | -0.97 °C | 0 mm |
| April | -2.66 °C | 8.28 °C | 53 mm |
| May | 4.74 °C | 17.69 °C | 88 mm |
| June | 10.68 °C | 22.27 °C | 112 mm |
| July | 13.88 °C | 24.52 °C | 135 mm |
| August | 13.37 °C | 23.63 °C | 128 mm |
| September | 8.38 °C | 18.45 °C | 98 mm |
| October | 3.08 °C | 10.93 °C | 95 mm |
| November | -3.11 °C | 3.5 °C | 38 mm |
| December | -13.21 °C | -5.39 °C | 0 mm |
| Annual | -1.3 °C | 8.9 °C | 747 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |