La Farge, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 13.5 °C (high). Annual precipitation averages 976.1 Millimeters. La Farge is located in USDA Plant Hardiness Zone 4b. 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 | -13.6 °C | -3.2 °C | 32 mm |
| February | -11.8 °C | -0.6 °C | 29.72 mm |
| March | -5.5 °C | 6.1 °C | 49.53 mm |
| April | 1.1 °C | 13.8 °C | 101.6 mm |
| May | 7.5 °C | 20.4 °C | 122.68 mm |
| June | 13.3 °C | 25.8 °C | 139.19 mm |
| July | 15.4 °C | 27.8 °C | 121.67 mm |
| August | 14.3 °C | 26.8 °C | 115.82 mm |
| September | 9.4 °C | 22.7 °C | 103.38 mm |
| October | 2.7 °C | 15.4 °C | 70.61 mm |
| November | -3.4 °C | 6.9 °C | 49.78 mm |
| December | -9.7 °C | -0.3 °C | 40.13 mm |
| Annual | 1.6 °C | 13.5 °C | 976.11 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°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 |