Big Bend, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.1 °C (low) to 13.7 °C (high). Annual precipitation averages 918.7 Millimeters. Big Bend 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.9 °C | -2.1 °C | 44.7 mm |
| February | -9.3 °C | 0 °C | 42.42 mm |
| March | -4.1 °C | 6.1 °C | 51.82 mm |
| April | 1.9 °C | 13.2 °C | 96.77 mm |
| May | 7.9 °C | 19.6 °C | 105.41 mm |
| June | 13.6 °C | 25.2 °C | 120.14 mm |
| July | 16.2 °C | 27.6 °C | 95.76 mm |
| August | 15.3 °C | 26.8 °C | 97.28 mm |
| September | 10.8 °C | 23.1 °C | 82.55 mm |
| October | 4.4 °C | 15.7 °C | 74.93 mm |
| November | -1.6 °C | 7.8 °C | 56.39 mm |
| December | -7.3 °C | 0.9 °C | 50.55 mm |
| Annual | 3.1 °C | 13.7 °C | 918.72 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |