Indianola, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 37.3 °F (low) to 65.5 °F (high). Annual precipitation averages 22 Inches. Indianola is located in USDA Plant Hardiness Zone 5b. 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 | 14.1 °F | 40.7 °F | 0.36 in. |
| February | 16.7 °F | 44.1 °F | 0.59 in. |
| March | 25.5 °F | 55.5 °F | 1.08 in. |
| April | 35.1 °F | 64.3 °F | 2.22 in. |
| May | 46.8 °F | 73.9 °F | 3.21 in. |
| June | 58.0 °F | 85.2 °F | 3.42 in. |
| July | 63.5 °F | 90.4 °F | 3.47 in. |
| August | 60.9 °F | 88.0 °F | 3.0 in. |
| September | 50.7 °F | 80.9 °F | 1.63 in. |
| October | 36.6 °F | 67.8 °F | 1.67 in. |
| November | 23.8 °F | 53.7 °F | 0.79 in. |
| December | 15.5 °F | 41.9 °F | 0.58 in. |
| Annual | 37.3 °F | 65.5 °F | 22.02 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |