Rewey, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.7 °F (low) to 56.2 °F (high). Annual precipitation averages 38.8 Inches. Rewey is located in USDA Plant Hardiness Zone 5a. 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 | 10.5 °F | 26.2 °F | 1.34 in. |
| February | 13.9 °F | 30.6 °F | 1.47 in. |
| March | 25.2 °F | 43.0 °F | 2.06 in. |
| April | 36.2 °F | 56.9 °F | 3.9 in. |
| May | 48.1 °F | 68.5 °F | 4.55 in. |
| June | 58.3 °F | 77.9 °F | 5.86 in. |
| July | 62.2 °F | 81.3 °F | 4.83 in. |
| August | 60.0 °F | 79.7 °F | 3.99 in. |
| September | 51.6 °F | 72.9 °F | 3.98 in. |
| October | 39.9 °F | 60.0 °F | 2.89 in. |
| November | 28.5 °F | 45.0 °F | 2.21 in. |
| December | 17.4 °F | 32.0 °F | 1.71 in. |
| Annual | 37.7 °F | 56.2 °F | 38.79 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |