Maiden Rock, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.1 °C (low) to 13 °C (high). Annual precipitation averages 887 Millimeters. Maiden Rock 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 | -14.3 °C | -4.4 °C | 24.13 mm |
| February | -12.3 °C | -1.7 °C | 26.67 mm |
| March | -5.4 °C | 5.1 °C | 45.47 mm |
| April | 1.6 °C | 13.4 °C | 78.99 mm |
| May | 8.4 °C | 20.4 °C | 114.3 mm |
| June | 14.2 °C | 25.7 °C | 132.33 mm |
| July | 16.4 °C | 28.2 °C | 106.17 mm |
| August | 15.1 °C | 26.9 °C | 117.6 mm |
| September | 10.7 °C | 22.9 °C | 98.04 mm |
| October | 3.6 °C | 15.1 °C | 66.8 mm |
| November | -3.3 °C | 6 °C | 43.43 mm |
| December | -10 °C | -1.4 °C | 33.02 mm |
| Annual | 2.1 °C | 13 °C | 886.95 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |