Alma, Quebec climate data is summarized below. Average annual temperatures range from 29.7 °F (low) to 48 °F (high). Annual precipitation averages 29.4 Inches. 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 | -28.5 °F | -22.8 °F | 0 in. |
| February | -28 °F | -21.9 °F | 0 in. |
| March | -24.8 °F | -18.3 °F | 0 in. |
| April | -19.3 °F | -13.2 °F | 1346.2 in. |
| May | -15.1 °F | -8 °F | 2235.2 in. |
| June | -11.8 °F | -5.4 °F | 2844.8 in. |
| July | -10.1 °F | -4.2 °F | 3429 in. |
| August | -10.4 °F | -4.7 °F | 3251.2 in. |
| September | -13.1 °F | -7.5 °F | 2489.2 in. |
| October | -16.1 °F | -11.7 °F | 2413 in. |
| November | -19.5 °F | -15.8 °F | 965.2 in. |
| December | -25.1 °F | -20.8 °F | 0 in. |
| Annual | 29.7 °F | 48 °F | 29.41 in. |
| 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 : -35°F to -30°F |
| Current Drought Conditions | Normal |