Everly, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.9 °F (low) to 56.5 °F (high). Annual precipitation averages 30.5 Inches. Everly 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 | 7.3 °F | 24.9 °F | 0.67 in. |
| February | 11.3 °F | 29.2 °F | 0.77 in. |
| March | 23.2 °F | 42.1 °F | 1.57 in. |
| April | 35.0 °F | 57.5 °F | 3.32 in. |
| May | 47.7 °F | 69.5 °F | 4.32 in. |
| June | 58.6 °F | 79.8 °F | 4.83 in. |
| July | 62.2 °F | 83.5 °F | 3.62 in. |
| August | 59.4 °F | 81.0 °F | 3.43 in. |
| September | 50.6 °F | 74.8 °F | 3.2 in. |
| October | 37.6 °F | 60.9 °F | 2.35 in. |
| November | 24.5 °F | 44.3 °F | 1.44 in. |
| December | 13.3 °F | 30.1 °F | 0.93 in. |
| Annual | 35.9 °F | 56.5 °F | 30.45 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 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |