Highland, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.1 °F (low) to 55.8 °F (high). Annual precipitation averages 38.2 Inches. 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 | 11.0 °F | 25.8 °F | 1.34 in. |
| February | 14.2 °F | 30.2 °F | 1.35 in. |
| March | 25.4 °F | 42.6 °F | 2.1 in. |
| April | 36.6 °F | 56.6 °F | 3.93 in. |
| May | 48.3 °F | 68.1 °F | 4.55 in. |
| June | 58.6 °F | 77.5 °F | 5.67 in. |
| July | 62.5 °F | 80.9 °F | 4.76 in. |
| August | 60.3 °F | 79.3 °F | 4.12 in. |
| September | 52.2 °F | 72.4 °F | 3.79 in. |
| October | 40.9 °F | 59.6 °F | 2.79 in. |
| November | 29.0 °F | 44.8 °F | 2.18 in. |
| December | 17.7 °F | 31.6 °F | 1.65 in. |
| Annual | 38.1 °F | 55.8 °F | 38.23 in. |
| 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 : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |