Waucoma, Iowa has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.3 °F (low) to 56.3 °F (high). Annual precipitation averages 37.5 Inches. Waucoma is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.1 °F | 25.2 °F | 1.03 in. |
| February | 11.9 °F | 29.4 °F | 1.08 in. |
| March | 23.9 °F | 42.7 °F | 2.02 in. |
| April | 35.5 °F | 57.6 °F | 3.9 in. |
| May | 47.4 °F | 69.5 °F | 4.69 in. |
| June | 58.2 °F | 79.1 °F | 6.07 in. |
| July | 61.4 °F | 82.2 °F | 4.77 in. |
| August | 58.9 °F | 80.2 °F | 3.99 in. |
| September | 50.5 °F | 74.1 °F | 3.88 in. |
| October | 38.2 °F | 60.8 °F | 2.8 in. |
| November | 26.1 °F | 44.3 °F | 1.83 in. |
| December | 14.9 °F | 30.9 °F | 1.46 in. |
| Annual | 36.3 °F | 56.3 °F | 37.52 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°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 |