Hastings, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.5 °F (low) to 54.7 °F (high). Annual precipitation averages 33.4 Inches. Hastings is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.7 °F | 23.3 °F | 0.92 in. |
| February | 9.9 °F | 28.2 °F | 0.89 in. |
| March | 22.5 °F | 40.4 °F | 1.67 in. |
| April | 35.8 °F | 55.4 °F | 3.01 in. |
| May | 48.3 °F | 67.9 °F | 4.19 in. |
| June | 58.8 °F | 77.8 °F | 5.11 in. |
| July | 63.0 °F | 82.1 °F | 4.46 in. |
| August | 60.5 °F | 79.8 °F | 4.39 in. |
| September | 52.2 °F | 72.4 °F | 3.27 in. |
| October | 39.2 °F | 58.1 °F | 2.65 in. |
| November | 26.5 °F | 42.2 °F | 1.57 in. |
| December | 14.2 °F | 28.8 °F | 1.23 in. |
| Annual | 36.5 °F | 54.7 °F | 33.36 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |