Adams, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35 °F (low) to 53.8 °F (high). Annual precipitation averages 36.1 Inches. Adams is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.1 °F | 22.4 °F | 1.05 in. |
| February | 9.9 °F | 26.8 °F | 1.05 in. |
| March | 21.8 °F | 39.2 °F | 1.82 in. |
| April | 34.1 °F | 54.6 °F | 3.69 in. |
| May | 46.6 °F | 67.1 °F | 4.73 in. |
| June | 57.4 °F | 77.0 °F | 5.48 in. |
| July | 60.5 °F | 80.3 °F | 4.55 in. |
| August | 58.0 °F | 78.2 °F | 4.19 in. |
| September | 49.7 °F | 71.9 °F | 3.66 in. |
| October | 37.1 °F | 58.1 °F | 2.79 in. |
| November | 25.0 °F | 41.9 °F | 1.61 in. |
| December | 13.2 °F | 28.1 °F | 1.44 in. |
| Annual | 35 °F | 53.8 °F | 36.06 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |