Lyndon Station, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 13.3 °C (high). Annual precipitation averages 932.2 Millimeters. Lyndon Station is located in USDA Plant Hardiness Zone 5a. 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 | -13.4 °C | -3.3 °C | 33.53 mm |
| February | -11.9 °C | -0.8 °C | 32.51 mm |
| March | -5.7 °C | 6 °C | 51.31 mm |
| April | 0.8 °C | 13.5 °C | 99.06 mm |
| May | 7.6 °C | 20.3 °C | 110.49 mm |
| June | 13.2 °C | 25.5 °C | 132.33 mm |
| July | 15.3 °C | 27.8 °C | 106.93 mm |
| August | 14 °C | 26.5 °C | 108.71 mm |
| September | 9.4 °C | 22.6 °C | 93.22 mm |
| October | 2.8 °C | 15.2 °C | 71.37 mm |
| November | -3.3 °C | 6.8 °C | 50.55 mm |
| December | -9.3 °C | -0.2 °C | 42.16 mm |
| Annual | 1.6 °C | 13.3 °C | 932.17 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 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 |