Elliott, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.3 °F (low) to 61.3 °F (high). Annual precipitation averages 35.2 Inches. Elliott 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 | 12.5 °F | 31.9 °F | 0.83 in. |
| February | 16.5 °F | 36.9 °F | 1.09 in. |
| March | 27.6 °F | 50.1 °F | 1.94 in. |
| April | 38.0 °F | 62.5 °F | 3.46 in. |
| May | 50.5 °F | 72.9 °F | 5.56 in. |
| June | 61.1 °F | 82.3 °F | 5.27 in. |
| July | 64.8 °F | 85.7 °F | 3.84 in. |
| August | 62.0 °F | 84.0 °F | 3.89 in. |
| September | 52.5 °F | 77.9 °F | 3.37 in. |
| October | 40.2 °F | 65.4 °F | 2.9 in. |
| November | 27.8 °F | 49.4 °F | 1.77 in. |
| December | 18.0 °F | 36.8 °F | 1.32 in. |
| Annual | 39.3 °F | 61.3 °F | 35.24 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |