Woodruff, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -3.5 °C (low) to 12.9 °C (high). Annual precipitation averages 262.4 Millimeters. Woodruff is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 11 - Aug. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.1 °C | -1.4 °C | 15.75 mm |
| February | -13.1 °C | 0.2 °C | 15.24 mm |
| March | -7.6 °C | 6.2 °C | 17.02 mm |
| April | -3.8 °C | 11.8 °C | 21.08 mm |
| May | 0.4 °C | 17.1 °C | 40.13 mm |
| June | 4.2 °C | 23 °C | 26.92 mm |
| July | 7.9 °C | 28.1 °C | 15.24 mm |
| August | 6.9 °C | 27.4 °C | 21.84 mm |
| September | 2.1 °C | 22.2 °C | 29.21 mm |
| October | -3.4 °C | 14.7 °C | 27.94 mm |
| November | -8.4 °C | 6.1 °C | 17.02 mm |
| December | -13.6 °C | -0.8 °C | 14.99 mm |
| Annual | -3.5 °C | 12.9 °C | 262.38 mm |
| Average First Frost Date | Aug. 11 - Aug. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| 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 |