White Oak, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 21 °C (high). Annual precipitation averages 1282.2 Millimeters. White Oak is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.9 °C | 7.1 °C | 90.17 mm |
| February | -0.1 °C | 9.9 °C | 102.87 mm |
| March | 4.3 °C | 15.2 °C | 124.71 mm |
| April | 9.7 °C | 21.6 °C | 140.46 mm |
| May | 15.6 °C | 26.7 °C | 134.11 mm |
| June | 20.2 °C | 31.2 °C | 91.44 mm |
| July | 22 °C | 32.7 °C | 103.63 mm |
| August | 20.7 °C | 32 °C | 74.68 mm |
| September | 16.4 °C | 28.8 °C | 78.74 mm |
| October | 9.8 °C | 22.8 °C | 105.92 mm |
| November | 4.1 °C | 14.9 °C | 116.59 mm |
| December | -0.1 °C | 8.8 °C | 118.87 mm |
| Annual | 10.1 °C | 21 °C | 1282.19 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |