Maysville, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 23.2 °C (high). Annual precipitation averages 943.9 Millimeters. Maysville 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 | -2.6 °C | 11.1 °C | 40.13 mm |
| February | -0.4 °C | 13.4 °C | 46.74 mm |
| March | 4.4 °C | 18.4 °C | 70.61 mm |
| April | 8.8 °C | 23.1 °C | 92.71 mm |
| May | 14.6 °C | 27.1 °C | 136.4 mm |
| June | 19.5 °C | 31.7 °C | 114.3 mm |
| July | 21.6 °C | 34.7 °C | 74.42 mm |
| August | 20.8 °C | 34.8 °C | 71.88 mm |
| September | 16.4 °C | 30.5 °C | 98.04 mm |
| October | 9.6 °C | 24.4 °C | 87.63 mm |
| November | 3.8 °C | 17.8 °C | 57.15 mm |
| December | -1.3 °C | 11.9 °C | 53.85 mm |
| Annual | 9.6 °C | 23.2 °C | 943.86 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |