Drummond, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.9 °C (low) to 11 °C (high). Annual precipitation averages 900.4 Millimeters. Drummond 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.9 °C | -6.3 °C | 29.72 mm |
| February | -15.4 °C | -3 °C | 26.42 mm |
| March | -9.1 °C | 3.5 °C | 43.18 mm |
| April | -2.1 °C | 10.9 °C | 75.44 mm |
| May | 4.7 °C | 18.7 °C | 101.09 mm |
| June | 10.3 °C | 23.7 °C | 110.49 mm |
| July | 13.1 °C | 25.8 °C | 122.17 mm |
| August | 12 °C | 25.1 °C | 100.84 mm |
| September | 8.1 °C | 20.6 °C | 103.89 mm |
| October | 1.4 °C | 12.6 °C | 91.69 mm |
| November | -5.1 °C | 3.8 °C | 53.59 mm |
| December | -12.1 °C | -3.4 °C | 41.91 mm |
| Annual | -0.9 °C | 11 °C | 900.43 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 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 |