Glidden, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.4 °F (low) to 50.9 °F (high). Annual precipitation averages 34.7 Inches. Glidden is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °F | 20.4 °F | 1.27 in. |
| February | 2.8 °F | 25.8 °F | 1.1 in. |
| March | 13.9 °F | 37.4 °F | 1.73 in. |
| April | 27.7 °F | 50.3 °F | 2.98 in. |
| May | 40.4 °F | 64.3 °F | 4.02 in. |
| June | 50.3 °F | 73.6 °F | 4.9 in. |
| July | 54.9 °F | 77.7 °F | 4.3 in. |
| August | 52.3 °F | 76.0 °F | 3.81 in. |
| September | 45.1 °F | 68.1 °F | 3.71 in. |
| October | 33.5 °F | 53.4 °F | 3.39 in. |
| November | 21.4 °F | 37.8 °F | 1.99 in. |
| December | 9.3 °F | 25.6 °F | 1.54 in. |
| Annual | 29.4 °F | 50.9 °F | 34.74 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |