Adell, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37 °F (low) to 54.9 °F (high). Annual precipitation averages 33.9 Inches. Adell 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 | 12.1 °F | 26.9 °F | 1.71 in. |
| February | 14.6 °F | 30.5 °F | 1.64 in. |
| March | 24.0 °F | 41.4 °F | 2.07 in. |
| April | 34.7 °F | 53.2 °F | 3.72 in. |
| May | 45.5 °F | 65.1 °F | 3.92 in. |
| June | 55.3 °F | 75.4 °F | 3.91 in. |
| July | 60.4 °F | 80.5 °F | 3.69 in. |
| August | 59.1 °F | 78.6 °F | 3.43 in. |
| September | 51.0 °F | 71.8 °F | 2.85 in. |
| October | 39.9 °F | 58.5 °F | 2.87 in. |
| November | 28.8 °F | 44.7 °F | 2.13 in. |
| December | 18.8 °F | 32.6 °F | 1.98 in. |
| Annual | 37 °F | 54.9 °F | 33.92 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |