Van Dyne, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.3 °F (low) to 55 °F (high). Annual precipitation averages 32.1 Inches. Van Dyne 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 | 10.7 °F | 25.8 °F | 1.27 in. |
| February | 13.0 °F | 29.3 °F | 1.09 in. |
| March | 23.5 °F | 40.8 °F | 1.73 in. |
| April | 35.4 °F | 54.3 °F | 3.21 in. |
| May | 47.4 °F | 66.8 °F | 3.66 in. |
| June | 57.5 °F | 76.5 °F | 4.7 in. |
| July | 61.7 °F | 81.1 °F | 3.7 in. |
| August | 60.0 °F | 78.9 °F | 3.52 in. |
| September | 52.1 °F | 72.2 °F | 3.03 in. |
| October | 40.2 °F | 58.5 °F | 2.83 in. |
| November | 28.8 °F | 44.2 °F | 1.88 in. |
| December | 17.7 °F | 31.4 °F | 1.46 in. |
| Annual | 37.3 °F | 55 °F | 32.08 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |