Rosholt, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.6 °C (low) to 11.8 °C (high). Annual precipitation averages 848.9 Millimeters. Rosholt is located in USDA Plant Hardiness Zone 5a. 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 | -14.3 °C | -4.8 °C | 30.23 mm |
| February | -13.2 °C | -2.4 °C | 27.69 mm |
| March | -7.2 °C | 4.1 °C | 43.69 mm |
| April | -0.2 °C | 11.9 °C | 80.52 mm |
| May | 6.6 °C | 19 °C | 100.58 mm |
| June | 12.1 °C | 24.2 °C | 117.09 mm |
| July | 14.3 °C | 26.6 °C | 96.01 mm |
| August | 13.2 °C | 25.4 °C | 96.52 mm |
| September | 8.7 °C | 21.2 °C | 93.47 mm |
| October | 2.1 °C | 13.5 °C | 74.42 mm |
| November | -4.1 °C | 5.3 °C | 48.77 mm |
| December | -10.5 °C | -1.9 °C | 39.88 mm |
| Annual | 0.6 °C | 11.8 °C | 848.87 mm |
| 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |