Correll, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.7 °C (low) to 12.4 °C (high). Annual precipitation averages 675.4 Millimeters. Correll is located in USDA Plant Hardiness Zone 4b. 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 | -16.2 °C | -5.7 °C | 18.29 mm |
| February | -14.4 °C | -3.3 °C | 19.3 mm |
| March | -7.1 °C | 3.7 °C | 33.02 mm |
| April | 0.5 °C | 12.8 °C | 60.2 mm |
| May | 7.8 °C | 20.3 °C | 75.95 mm |
| June | 14.1 °C | 25.7 °C | 103.38 mm |
| July | 15.9 °C | 27.8 °C | 105.92 mm |
| August | 14.2 °C | 26.8 °C | 85.85 mm |
| September | 9.3 °C | 23 °C | 66.8 mm |
| October | 2 °C | 14.7 °C | 60.2 mm |
| November | -5.3 °C | 5.5 °C | 27.94 mm |
| December | -12.2 °C | -2.6 °C | 18.54 mm |
| Annual | 0.7 °C | 12.4 °C | 675.39 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |