Pilot Mound, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38 °F (low) to 58.3 °F (high). Annual precipitation averages 36.2 Inches. Pilot Mound 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 | 10.2 °F | 27.6 °F | 0.94 in. |
| February | 14.3 °F | 32.1 °F | 1.16 in. |
| March | 25.8 °F | 45.3 °F | 2.05 in. |
| April | 37.0 °F | 60.0 °F | 3.78 in. |
| May | 49.5 °F | 70.8 °F | 5.07 in. |
| June | 60.0 °F | 80.4 °F | 5.39 in. |
| July | 63.5 °F | 83.7 °F | 4.4 in. |
| August | 60.9 °F | 81.4 °F | 4.39 in. |
| September | 52.0 °F | 75.9 °F | 3.18 in. |
| October | 39.5 °F | 62.8 °F | 2.73 in. |
| November | 27.2 °F | 46.6 °F | 1.75 in. |
| December | 16.4 °F | 33.0 °F | 1.39 in. |
| Annual | 38 °F | 58.3 °F | 36.23 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 5a : -20°F to -15°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 |