Landfall, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.9 °F (low) to 54.4 °F (high). Annual precipitation averages 34.6 Inches. Landfall 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 | 6.7 °F | 22.9 °F | 1.04 in. |
| February | 9.8 °F | 27.8 °F | 0.94 in. |
| March | 21.8 °F | 40.7 °F | 1.77 in. |
| April | 35.0 °F | 55.4 °F | 3.17 in. |
| May | 47.6 °F | 68.0 °F | 4.31 in. |
| June | 58.1 °F | 77.6 °F | 5.04 in. |
| July | 62.7 °F | 81.8 °F | 4.28 in. |
| August | 60.1 °F | 79.6 °F | 4.49 in. |
| September | 51.6 °F | 72.1 °F | 3.45 in. |
| October | 38.5 °F | 57.5 °F | 2.99 in. |
| November | 25.8 °F | 41.8 °F | 1.71 in. |
| December | 13.6 °F | 28.1 °F | 1.38 in. |
| Annual | 35.9 °F | 54.4 °F | 34.57 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |