Climbing Hill, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37 °F (low) to 59.6 °F (high). Annual precipitation averages 30.9 Inches. Climbing Hill 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 | 9.7 °F | 28.9 °F | 0.66 in. |
| February | 13.9 °F | 33.9 °F | 0.84 in. |
| March | 25.0 °F | 47.3 °F | 1.59 in. |
| April | 35.8 °F | 61.0 °F | 3.13 in. |
| May | 48.3 °F | 72.1 °F | 4.43 in. |
| June | 59.3 °F | 82.1 °F | 4.78 in. |
| July | 62.9 °F | 85.1 °F | 3.64 in. |
| August | 60.3 °F | 82.9 °F | 4.25 in. |
| September | 51.0 °F | 76.9 °F | 2.9 in. |
| October | 38.2 °F | 63.9 °F | 2.21 in. |
| November | 25.2 °F | 47.4 °F | 1.46 in. |
| December | 14.9 °F | 33.7 °F | 1.02 in. |
| Annual | 37 °F | 59.6 °F | 30.91 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 |