Couderay, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.6 °F (low) to 52.4 °F (high). Annual precipitation averages 35.9 Inches. Couderay is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.6 °F | 21.6 °F | 1.12 in. |
| February | 4.0 °F | 27.0 °F | 1.18 in. |
| March | 16.4 °F | 39.2 °F | 1.75 in. |
| April | 29.5 °F | 52.7 °F | 3.17 in. |
| May | 41.5 °F | 66.4 °F | 4.13 in. |
| June | 51.5 °F | 75.3 °F | 4.77 in. |
| July | 55.9 °F | 79.1 °F | 4.49 in. |
| August | 53.6 °F | 76.9 °F | 4.11 in. |
| September | 46.2 °F | 69.4 °F | 4.04 in. |
| October | 34.6 °F | 55.3 °F | 3.57 in. |
| November | 22.7 °F | 39.6 °F | 2.03 in. |
| December | 9.9 °F | 26.8 °F | 1.52 in. |
| Annual | 30.6 °F | 52.4 °F | 35.88 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |