Soldier, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.9 °F (low) to 60.1 °F (high). Annual precipitation averages 32.2 Inches. Soldier 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 | 10.7 °F | 29.7 °F | 0.68 in. |
| February | 14.8 °F | 34.7 °F | 0.84 in. |
| March | 25.8 °F | 48.0 °F | 1.66 in. |
| April | 36.7 °F | 61.5 °F | 3.49 in. |
| May | 49.1 °F | 72.3 °F | 4.58 in. |
| June | 59.9 °F | 82.1 °F | 4.82 in. |
| July | 63.6 °F | 85.4 °F | 3.95 in. |
| August | 60.8 °F | 83.2 °F | 4.25 in. |
| September | 51.7 °F | 77.1 °F | 3.13 in. |
| October | 39.0 °F | 64.3 °F | 2.31 in. |
| November | 26.1 °F | 48.0 °F | 1.4 in. |
| December | 16.0 °F | 34.3 °F | 1.11 in. |
| Annual | 37.9 °F | 60.1 °F | 32.22 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 |