Highland, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.4 °C (low) to 13.2 °C (high). Annual precipitation averages 971.1 Millimeters. Highland is located in USDA Plant Hardiness Zone 5b. 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 | -11.7 °C | -3.4 °C | 34.04 mm |
| February | -9.9 °C | -1 °C | 34.29 mm |
| March | -3.7 °C | 5.9 °C | 53.34 mm |
| April | 2.6 °C | 13.7 °C | 99.82 mm |
| May | 9.1 °C | 20.1 °C | 115.57 mm |
| June | 14.8 °C | 25.3 °C | 144.02 mm |
| July | 16.9 °C | 27.2 °C | 120.9 mm |
| August | 15.7 °C | 26.3 °C | 104.65 mm |
| September | 11.2 °C | 22.4 °C | 96.27 mm |
| October | 4.9 °C | 15.3 °C | 70.87 mm |
| November | -1.7 °C | 7.1 °C | 55.37 mm |
| December | -7.9 °C | -0.2 °C | 41.91 mm |
| Annual | 3.4 °C | 13.2 °C | 971.05 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |