Luxemburg, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.8 °F (low) to 53.4 °F (high). Annual precipitation averages 31.8 Inches. Luxemburg 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.4 °F | 25.0 °F | 1.51 in. |
| February | 12.1 °F | 28.2 °F | 1.13 in. |
| March | 22.0 °F | 39.3 °F | 1.72 in. |
| April | 33.4 °F | 51.4 °F | 3.06 in. |
| May | 44.7 °F | 64.5 °F | 3.47 in. |
| June | 54.9 °F | 74.2 °F | 3.97 in. |
| July | 59.4 °F | 79.1 °F | 3.57 in. |
| August | 57.9 °F | 77.7 °F | 3.44 in. |
| September | 50.4 °F | 70.4 °F | 3.25 in. |
| October | 38.9 °F | 56.7 °F | 2.94 in. |
| November | 28.3 °F | 43.3 °F | 2.02 in. |
| December | 17.2 °F | 30.6 °F | 1.7 in. |
| Annual | 35.8 °F | 53.4 °F | 31.78 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |