Stockton, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.8 °C (low) to 13.4 °C (high). Annual precipitation averages 907.3 Millimeters. Stockton 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.2 °C | -3.7 °C | 28.45 mm |
| February | -11.4 °C | -1.2 °C | 26.67 mm |
| March | -4.6 °C | 5.7 °C | 49.02 mm |
| April | 2.3 °C | 13.8 °C | 96.27 mm |
| May | 8.9 °C | 20.6 °C | 113.28 mm |
| June | 14.7 °C | 26.1 °C | 130.3 mm |
| July | 17.1 °C | 28.1 °C | 106.17 mm |
| August | 15.9 °C | 27 °C | 118.11 mm |
| September | 11.3 °C | 22.9 °C | 96.27 mm |
| October | 4.4 °C | 15.3 °C | 64.77 mm |
| November | -2.3 °C | 6.6 °C | 45.21 mm |
| December | -9.1 °C | -0.7 °C | 32.77 mm |
| Annual | 2.8 °C | 13.4 °C | 907.29 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |