Keota, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 60.1 °F (high). Annual precipitation averages 37.8 Inches. Keota 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.4 °F | 30.3 °F | 1.27 in. |
| February | 17.0 °F | 35.0 °F | 1.52 in. |
| March | 27.7 °F | 47.9 °F | 2.28 in. |
| April | 38.8 °F | 61.5 °F | 3.72 in. |
| May | 51.0 °F | 72.0 °F | 5.06 in. |
| June | 61.3 °F | 81.4 °F | 5.19 in. |
| July | 64.6 °F | 84.9 °F | 4.14 in. |
| August | 61.9 °F | 83.2 °F | 4.37 in. |
| September | 52.9 °F | 76.9 °F | 3.5 in. |
| October | 41.1 °F | 64.0 °F | 2.91 in. |
| November | 29.5 °F | 48.5 °F | 2.19 in. |
| December | 19.3 °F | 35.6 °F | 1.66 in. |
| Annual | 39.9 °F | 60.1 °F | 37.81 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |