Belmont, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3 °C (low) to 13.5 °C (high). Annual precipitation averages 983.2 Millimeters. Belmont is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12 °C | -3.2 °C | 34.04 mm |
| February | -10.1 °C | -0.7 °C | 38.1 mm |
| March | -3.8 °C | 6.3 °C | 51.82 mm |
| April | 2.2 °C | 13.9 °C | 98.55 mm |
| May | 8.8 °C | 20.4 °C | 114.3 mm |
| June | 14.6 °C | 25.7 °C | 148.59 mm |
| July | 16.6 °C | 27.4 °C | 122.68 mm |
| August | 15.4 °C | 26.6 °C | 100.84 mm |
| September | 10.8 °C | 22.9 °C | 100.84 mm |
| October | 4.2 °C | 15.7 °C | 73.91 mm |
| November | -2.1 °C | 7.2 °C | 55.63 mm |
| December | -8.2 °C | 0 °C | 43.94 mm |
| Annual | 3 °C | 13.5 °C | 983.24 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |