Stockton, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.2 °C (low) to 16.9 °C (high). Annual precipitation averages 413.3 Millimeters. Stockton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 3.8 °C | 32.51 mm |
| February | -4.3 °C | 6.2 °C | 36.07 mm |
| March | -0.7 °C | 11.4 °C | 58.93 mm |
| April | 2.3 °C | 14.8 °C | 44.2 mm |
| May | 7.1 °C | 20.2 °C | 44.96 mm |
| June | 12.2 °C | 26.6 °C | 18.03 mm |
| July | 16.9 °C | 31.9 °C | 19.81 mm |
| August | 15.9 °C | 31.1 °C | 16.26 mm |
| September | 10.8 °C | 25.3 °C | 23.88 mm |
| October | 4.2 °C | 17.2 °C | 38.61 mm |
| November | -1.6 °C | 9.7 °C | 38.1 mm |
| December | -6.1 °C | 4 °C | 41.91 mm |
| Annual | 4.2 °C | 16.9 °C | 413.27 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |