Thorp, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.3 °F (low) to 52.8 °F (high). Annual precipitation averages 32.8 Inches. Thorp is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.2 °F | 21.7 °F | 0.99 in. |
| February | 5.9 °F | 26.6 °F | 0.98 in. |
| March | 18.5 °F | 39.1 °F | 1.67 in. |
| April | 31.7 °F | 53.4 °F | 2.97 in. |
| May | 43.8 °F | 66.3 °F | 3.85 in. |
| June | 53.9 °F | 75.3 °F | 4.64 in. |
| July | 57.8 °F | 79.6 °F | 3.87 in. |
| August | 55.4 °F | 77.5 °F | 4.23 in. |
| September | 47.1 °F | 69.7 °F | 3.59 in. |
| October | 35.3 °F | 56.2 °F | 2.76 in. |
| November | 23.8 °F | 40.5 °F | 1.87 in. |
| December | 11.3 °F | 27.3 °F | 1.37 in. |
| Annual | 32.3 °F | 52.8 °F | 32.79 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |