Port Edwards, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.8 °F (low) to 55.1 °F (high). Annual precipitation averages 33.8 Inches. Port Edwards is located in USDA Plant Hardiness Zone 4b. 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 | 6.1 °F | 24.9 °F | 1.18 in. |
| February | 8.8 °F | 29.7 °F | 1.09 in. |
| March | 19.9 °F | 41.6 °F | 1.81 in. |
| April | 32.6 °F | 55.8 °F | 3.36 in. |
| May | 45.0 °F | 68.0 °F | 3.97 in. |
| June | 55.0 °F | 77.2 °F | 4.77 in. |
| July | 58.5 °F | 81.6 °F | 3.83 in. |
| August | 56.0 °F | 79.3 °F | 4.09 in. |
| September | 48.1 °F | 71.9 °F | 3.55 in. |
| October | 36.7 °F | 58.0 °F | 2.7 in. |
| November | 25.1 °F | 42.9 °F | 1.85 in. |
| December | 13.4 °F | 30.0 °F | 1.56 in. |
| Annual | 33.8 °F | 55.1 °F | 33.76 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |