West Baraboo, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.2 °C (low) to 13.5 °C (high). Annual precipitation averages 960.4 Millimeters. West Baraboo 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.7 °C | -2.9 °C | 34.04 mm |
| February | -11.2 °C | -0.6 °C | 34.04 mm |
| March | -5.2 °C | 6.1 °C | 53.59 mm |
| April | 1.3 °C | 13.6 °C | 103.12 mm |
| May | 8 °C | 20.4 °C | 109.98 mm |
| June | 13.7 °C | 25.7 °C | 141.22 mm |
| July | 15.8 °C | 27.8 °C | 109.98 mm |
| August | 14.6 °C | 26.8 °C | 113.28 mm |
| September | 10 °C | 22.7 °C | 92.96 mm |
| October | 3.4 °C | 15.4 °C | 72.14 mm |
| November | -2.7 °C | 7.1 °C | 53.09 mm |
| December | -8.7 °C | 0.1 °C | 42.93 mm |
| Annual | 2.2 °C | 13.5 °C | 960.37 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |