Stockton, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.1 °F (low) to 56.1 °F (high). Annual precipitation averages 35.7 Inches. 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 | 8.2 °F | 25.3 °F | 1.12 in. |
| February | 11.5 °F | 29.9 °F | 1.05 in. |
| March | 23.8 °F | 42.3 °F | 1.93 in. |
| April | 36.2 °F | 56.9 °F | 3.79 in. |
| May | 48.1 °F | 69.1 °F | 4.46 in. |
| June | 58.5 °F | 78.9 °F | 5.13 in. |
| July | 62.7 °F | 82.6 °F | 4.18 in. |
| August | 60.6 °F | 80.6 °F | 4.65 in. |
| September | 52.4 °F | 73.3 °F | 3.79 in. |
| October | 40.0 °F | 59.6 °F | 2.55 in. |
| November | 27.9 °F | 43.8 °F | 1.78 in. |
| December | 15.7 °F | 30.7 °F | 1.29 in. |
| Annual | 37.1 °F | 56.1 °F | 35.72 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |