West Point, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.9 °F (low) to 61.8 °F (high). Annual precipitation averages 39 Inches. West Point is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.0 °F | 32.8 °F | 1.61 in. |
| February | 19.5 °F | 37.4 °F | 1.86 in. |
| March | 29.7 °F | 50.1 °F | 2.54 in. |
| April | 40.7 °F | 62.9 °F | 3.78 in. |
| May | 52.7 °F | 73.2 °F | 5.19 in. |
| June | 62.3 °F | 82.4 °F | 4.92 in. |
| July | 65.8 °F | 86.0 °F | 4.17 in. |
| August | 63.6 °F | 84.4 °F | 3.81 in. |
| September | 55.1 °F | 78.2 °F | 3.7 in. |
| October | 43.4 °F | 65.4 °F | 3.03 in. |
| November | 31.7 °F | 50.3 °F | 2.47 in. |
| December | 21.9 °F | 37.9 °F | 1.91 in. |
| Annual | 41.9 °F | 61.8 °F | 38.99 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |