Earling, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.3 °F (low) to 59.2 °F (high). Annual precipitation averages 33.7 Inches. Earling 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 | 11.0 °F | 29.0 °F | 0.8 in. |
| February | 15.2 °F | 33.9 °F | 1.01 in. |
| March | 26.0 °F | 47.5 °F | 1.87 in. |
| April | 37.1 °F | 60.8 °F | 3.52 in. |
| May | 49.4 °F | 71.3 °F | 4.81 in. |
| June | 59.8 °F | 80.8 °F | 4.95 in. |
| July | 63.6 °F | 84.0 °F | 3.82 in. |
| August | 61.0 °F | 82.1 °F | 4.23 in. |
| September | 51.8 °F | 76.0 °F | 3.44 in. |
| October | 40.0 °F | 63.7 °F | 2.58 in. |
| November | 27.1 °F | 47.2 °F | 1.44 in. |
| December | 17.0 °F | 34.2 °F | 1.26 in. |
| Annual | 38.3 °F | 59.2 °F | 33.73 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |