Newark, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38 °F (low) to 57.5 °F (high). Annual precipitation averages 37.4 Inches. Newark is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.0 °F | 28.0 °F | 1.59 in. |
| February | 15.2 °F | 32.1 °F | 1.55 in. |
| March | 25.6 °F | 44.2 °F | 2.08 in. |
| April | 36.3 °F | 57.7 °F | 3.64 in. |
| May | 48.0 °F | 69.4 °F | 4.25 in. |
| June | 58.0 °F | 79.3 °F | 5.46 in. |
| July | 61.8 °F | 82.6 °F | 3.81 in. |
| August | 60.0 °F | 81.1 °F | 4.15 in. |
| September | 51.5 °F | 74.4 °F | 3.73 in. |
| October | 40.0 °F | 61.4 °F | 2.92 in. |
| November | 28.9 °F | 46.1 °F | 2.35 in. |
| December | 18.6 °F | 33.5 °F | 1.87 in. |
| Annual | 38 °F | 57.5 °F | 37.4 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |