Glidden, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.5 °C (low) to 10.5 °C (high). Annual precipitation averages 882.4 Millimeters. 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 | -17.2 °C | -6.4 °C | 32.26 mm |
| February | -16.2 °C | -3.4 °C | 27.94 mm |
| March | -10.1 °C | 3 °C | 43.94 mm |
| April | -2.4 °C | 10.2 °C | 75.69 mm |
| May | 4.7 °C | 17.9 °C | 102.11 mm |
| June | 10.2 °C | 23.1 °C | 124.46 mm |
| July | 12.7 °C | 25.4 °C | 109.22 mm |
| August | 11.3 °C | 24.4 °C | 96.77 mm |
| September | 7.3 °C | 20.1 °C | 94.23 mm |
| October | 0.8 °C | 11.9 °C | 86.11 mm |
| November | -5.9 °C | 3.2 °C | 50.55 mm |
| December | -12.6 °C | -3.6 °C | 39.12 mm |
| Annual | -1.5 °C | 10.5 °C | 882.4 mm |
| 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 : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |