Rhine, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.5 °C (low) to 12.6 °C (high). Annual precipitation averages 843 Millimeters. Rhine 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 | -3.6 °C | 40.64 mm |
| February | -10.7 °C | -1.7 °C | 35.31 mm |
| March | -5.1 °C | 5.4 °C | 49.02 mm |
| April | 1 °C | 11.8 °C | 88.9 mm |
| May | 8.1 °C | 18.5 °C | 98.04 mm |
| June | 13.7 °C | 24.2 °C | 103.38 mm |
| July | 15.6 °C | 27 °C | 92.46 mm |
| August | 14.7 °C | 25.9 °C | 89.66 mm |
| September | 10.4 °C | 22.2 °C | 72.9 mm |
| October | 4 °C | 14.7 °C | 74.42 mm |
| November | -2.2 °C | 6.8 °C | 52.32 mm |
| December | -8.1 °C | -0.4 °C | 45.97 mm |
| Annual | 2.5 °C | 12.6 °C | 843.02 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |