Paton, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.3 °C (low) to 14.7 °C (high). Annual precipitation averages 897.7 Millimeters. Paton 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 | -12.1 °C | -2.4 °C | 22.61 mm |
| February | -9.9 °C | 0.2 °C | 28.96 mm |
| March | -3.5 °C | 7.7 °C | 51.05 mm |
| April | 2.7 °C | 15.7 °C | 94.74 mm |
| May | 9.7 °C | 21.7 °C | 128.02 mm |
| June | 15.6 °C | 27.1 °C | 131.83 mm |
| July | 17.4 °C | 28.8 °C | 107.19 mm |
| August | 16 °C | 27.6 °C | 107.7 mm |
| September | 11 °C | 24.4 °C | 81.28 mm |
| October | 4.1 °C | 17.2 °C | 66.55 mm |
| November | -2.8 °C | 8.1 °C | 43.69 mm |
| December | -8.7 °C | 0.6 °C | 34.04 mm |
| Annual | 3.3 °C | 14.7 °C | 897.66 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |