Lyndon Station, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.9 °F (low) to 56 °F (high). Annual precipitation averages 36.7 Inches. 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 | 7.8 °F | 26.1 °F | 1.32 in. |
| February | 10.6 °F | 30.5 °F | 1.28 in. |
| March | 21.7 °F | 42.8 °F | 2.02 in. |
| April | 33.4 °F | 56.3 °F | 3.9 in. |
| May | 45.6 °F | 68.5 °F | 4.35 in. |
| June | 55.7 °F | 77.9 °F | 5.21 in. |
| July | 59.6 °F | 82.0 °F | 4.21 in. |
| August | 57.2 °F | 79.7 °F | 4.28 in. |
| September | 48.9 °F | 72.6 °F | 3.67 in. |
| October | 37.0 °F | 59.3 °F | 2.81 in. |
| November | 26.0 °F | 44.2 °F | 1.99 in. |
| December | 15.2 °F | 31.6 °F | 1.66 in. |
| Annual | 34.9 °F | 56 °F | 36.7 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |