West Point, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 16.5 °C (high). Annual precipitation averages 990.3 Millimeters. 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 | -8.9 °C | 0.4 °C | 40.89 mm |
| February | -6.9 °C | 3 °C | 47.24 mm |
| March | -1.3 °C | 10.1 °C | 64.52 mm |
| April | 4.8 °C | 17.2 °C | 96.01 mm |
| May | 11.5 °C | 22.9 °C | 131.83 mm |
| June | 16.8 °C | 28 °C | 124.97 mm |
| July | 18.8 °C | 30 °C | 105.92 mm |
| August | 17.6 °C | 29.1 °C | 96.77 mm |
| September | 12.8 °C | 25.7 °C | 93.98 mm |
| October | 6.3 °C | 18.6 °C | 76.96 mm |
| November | -0.2 °C | 10.2 °C | 62.74 mm |
| December | -5.6 °C | 3.3 °C | 48.51 mm |
| Annual | 5.5 °C | 16.5 °C | 990.34 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |