Woodstock, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.2 °C (low) to 12.4 °C (high). Annual precipitation averages 740.4 Millimeters. Woodstock 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.8 °C | -5.2 °C | 17.02 mm |
| February | -12.8 °C | -2.6 °C | 20.32 mm |
| March | -6.4 °C | 4.2 °C | 37.34 mm |
| April | 0.4 °C | 12.6 °C | 74.93 mm |
| May | 7.8 °C | 19.9 °C | 99.82 mm |
| June | 14 °C | 25.4 °C | 116.33 mm |
| July | 16 °C | 27.7 °C | 88.39 mm |
| August | 14.6 °C | 26.3 °C | 88.14 mm |
| September | 9.7 °C | 22.5 °C | 85.34 mm |
| October | 2.2 °C | 14.7 °C | 58.42 mm |
| November | -5.1 °C | 5.4 °C | 30.23 mm |
| December | -11.7 °C | -2.7 °C | 24.13 mm |
| Annual | 1.2 °C | 12.4 °C | 740.41 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |