Alma Center, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.3 °F (low) to 54.9 °F (high). Annual precipitation averages 36 Inches. Alma Center is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.0 °F | 24.1 °F | 1.18 in. |
| February | 8.1 °F | 29.2 °F | 1.11 in. |
| March | 20.0 °F | 41.4 °F | 1.82 in. |
| April | 32.5 °F | 55.6 °F | 3.47 in. |
| May | 44.4 °F | 68.2 °F | 4.44 in. |
| June | 54.5 °F | 77.3 °F | 5.28 in. |
| July | 58.3 °F | 81.2 °F | 4.15 in. |
| August | 56.2 °F | 79.2 °F | 4.39 in. |
| September | 47.7 °F | 71.9 °F | 3.88 in. |
| October | 36.0 °F | 58.4 °F | 2.96 in. |
| November | 24.5 °F | 42.5 °F | 1.86 in. |
| December | 12.5 °F | 29.4 °F | 1.5 in. |
| Annual | 33.3 °F | 54.9 °F | 36.04 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |