Woodbury, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2 °C (low) to 12.3 °C (high). Annual precipitation averages 876.8 Millimeters. Woodbury is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.2 °C | -5.2 °C | 26.16 mm |
| February | -12.4 °C | -2.6 °C | 23.88 mm |
| March | -5.8 °C | 4.7 °C | 44.7 mm |
| April | 1.4 °C | 13.1 °C | 80.01 mm |
| May | 8.4 °C | 20 °C | 108.97 mm |
| June | 14.3 °C | 25.3 °C | 129.79 mm |
| July | 16.7 °C | 27.5 °C | 108.46 mm |
| August | 15.3 °C | 26.3 °C | 114.05 mm |
| September | 10.6 °C | 22.1 °C | 87.12 mm |
| October | 3.4 °C | 14.1 °C | 75.44 mm |
| November | -3.7 °C | 5.2 °C | 43.43 mm |
| December | -10.4 °C | -2.4 °C | 34.8 mm |
| Annual | 2 °C | 12.3 °C | 876.81 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |