Hinton, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.7 °C (low) to 15.1 °C (high). Annual precipitation averages 738.9 Millimeters. Hinton 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 | -12.6 °C | -1.9 °C | 15.24 mm |
| February | -10.3 °C | 0.9 °C | 19.81 mm |
| March | -4.1 °C | 8.1 °C | 38.1 mm |
| April | 2 °C | 15.8 °C | 80.01 mm |
| May | 8.9 °C | 22 °C | 103.89 mm |
| June | 15.2 °C | 27.7 °C | 114.3 mm |
| July | 17.1 °C | 29.3 °C | 83.06 mm |
| August | 15.7 °C | 28.2 °C | 92.96 mm |
| September | 10.4 °C | 24.7 °C | 77.47 mm |
| October | 3.3 °C | 17.4 °C | 59.94 mm |
| November | -4 °C | 8.3 °C | 32 mm |
| December | -9.7 °C | 0.8 °C | 22.1 mm |
| Annual | 2.7 °C | 15.1 °C | 738.88 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |