Schulter, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.4 °C (low) to 22.3 °C (high). Annual precipitation averages 1105.7 Millimeters. Schulter 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 | -2.8 °C | 10.1 °C | 52.32 mm |
| February | -0.9 °C | 12.3 °C | 54.36 mm |
| March | 4.1 °C | 17.4 °C | 83.31 mm |
| April | 8.6 °C | 22.1 °C | 113.54 mm |
| May | 14.3 °C | 26.1 °C | 145.8 mm |
| June | 19.4 °C | 30.8 °C | 119.89 mm |
| July | 21.3 °C | 33.7 °C | 104.39 mm |
| August | 20.6 °C | 33.8 °C | 79.76 mm |
| September | 15.9 °C | 29.7 °C | 106.93 mm |
| October | 9.4 °C | 23.6 °C | 101.09 mm |
| November | 3.6 °C | 17.1 °C | 79.25 mm |
| December | -1.3 °C | 11.1 °C | 65.02 mm |
| Annual | 9.4 °C | 22.3 °C | 1105.66 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |