Hampton, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 54.8 °F (high). Annual precipitation averages 33.4 Inches. Hampton 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 | 6.5 °F | 23.3 °F | 0.91 in. |
| February | 9.7 °F | 28.1 °F | 0.92 in. |
| March | 21.8 °F | 40.6 °F | 1.78 in. |
| April | 34.8 °F | 55.7 °F | 2.87 in. |
| May | 47.3 °F | 68.3 °F | 4.31 in. |
| June | 57.8 °F | 77.9 °F | 5.21 in. |
| July | 61.8 °F | 81.7 °F | 3.99 in. |
| August | 59.3 °F | 79.9 °F | 4.59 in. |
| September | 50.9 °F | 72.7 °F | 3.41 in. |
| October | 37.9 °F | 58.6 °F | 2.46 in. |
| November | 25.3 °F | 42.1 °F | 1.65 in. |
| December | 12.9 °F | 28.6 °F | 1.26 in. |
| Annual | 35.5 °F | 54.8 °F | 33.36 in. |
| 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 : -25°F to -20°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 |