Newburg, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.8 °F (low) to 55.3 °F (high). Annual precipitation averages 35 Inches. Newburg 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 | 11.9 °F | 27.2 °F | 1.77 in. |
| February | 14.5 °F | 30.7 °F | 1.52 in. |
| March | 23.9 °F | 41.4 °F | 2.0 in. |
| April | 34.4 °F | 54.0 °F | 3.82 in. |
| May | 45.2 °F | 66.1 °F | 3.92 in. |
| June | 55.0 °F | 76.2 °F | 4.03 in. |
| July | 60.3 °F | 80.9 °F | 3.99 in. |
| August | 58.7 °F | 78.8 °F | 3.93 in. |
| September | 50.8 °F | 71.9 °F | 3.15 in. |
| October | 39.8 °F | 59.1 °F | 2.86 in. |
| November | 28.7 °F | 44.9 °F | 2.07 in. |
| December | 18.7 °F | 32.9 °F | 1.98 in. |
| Annual | 36.8 °F | 55.3 °F | 35.04 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |