Stockton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.3 °C (low) to 19.4 °C (high). Annual precipitation averages 643.9 Millimeters. Stockton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.8 °C | 4.9 °C | 14.22 mm |
| February | -7.4 °C | 7.2 °C | 19.81 mm |
| March | -2.4 °C | 13.6 °C | 34.54 mm |
| April | 2.9 °C | 19.1 °C | 54.61 mm |
| May | 9.4 °C | 24.3 °C | 98.04 mm |
| June | 15.7 °C | 30.7 °C | 90.17 mm |
| July | 18.6 °C | 33.7 °C | 98.04 mm |
| August | 17.3 °C | 32.1 °C | 87.63 mm |
| September | 11.9 °C | 27.9 °C | 54.36 mm |
| October | 4.2 °C | 20.8 °C | 42.93 mm |
| November | -2.7 °C | 12.7 °C | 26.42 mm |
| December | -7.7 °C | 6 °C | 23.11 mm |
| Annual | 4.3 °C | 19.4 °C | 643.88 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |