Gays Mills, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 56.8 °F (high). Annual precipitation averages 37.1 Inches. Gays Mills 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 | 7.8 °F | 26.8 °F | 1.29 in. |
| February | 11.4 °F | 31.4 °F | 1.17 in. |
| March | 22.6 °F | 43.6 °F | 1.97 in. |
| April | 34.5 °F | 57.5 °F | 3.95 in. |
| May | 45.9 °F | 69.4 °F | 4.29 in. |
| June | 56.5 °F | 78.9 °F | 5.65 in. |
| July | 60.5 °F | 82.5 °F | 4.61 in. |
| August | 58.5 °F | 80.8 °F | 3.93 in. |
| September | 49.5 °F | 73.4 °F | 3.8 in. |
| October | 37.4 °F | 60.4 °F | 2.78 in. |
| November | 25.9 °F | 44.8 °F | 2.03 in. |
| December | 14.9 °F | 32.0 °F | 1.58 in. |
| Annual | 35.5 °F | 56.8 °F | 37.05 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 |