Goodland, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29 °F (low) to 49.9 °F (high). Annual precipitation averages 28.8 Inches. Goodland is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.5 °F | 17.8 °F | 0.87 in. |
| February | 1.7 °F | 23.9 °F | 0.78 in. |
| March | 14.4 °F | 36.7 °F | 1.2 in. |
| April | 27.8 °F | 50.4 °F | 2.07 in. |
| May | 40.2 °F | 64.1 °F | 3.16 in. |
| June | 50.6 °F | 73.2 °F | 4.5 in. |
| July | 55.3 °F | 77.8 °F | 4.05 in. |
| August | 53.1 °F | 76.0 °F | 3.32 in. |
| September | 45.1 °F | 67.4 °F | 3.4 in. |
| October | 33.7 °F | 52.4 °F | 2.82 in. |
| November | 20.3 °F | 35.8 °F | 1.5 in. |
| December | 6.8 °F | 22.9 °F | 1.14 in. |
| Annual | 29 °F | 49.9 °F | 28.81 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |