McLoud, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 22.2 °C (high). Annual precipitation averages 963.2 Millimeters. McLoud 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.6 °C | 10.1 °C | 36.58 mm |
| February | -0.6 °C | 12.4 °C | 45.47 mm |
| March | 4.1 °C | 17.4 °C | 71.63 mm |
| April | 8.9 °C | 22.2 °C | 94.49 mm |
| May | 14.6 °C | 26.1 °C | 130.81 mm |
| June | 19.5 °C | 30.7 °C | 122.94 mm |
| July | 21.8 °C | 33.8 °C | 89.15 mm |
| August | 21 °C | 33.6 °C | 82.04 mm |
| September | 16.6 °C | 29.3 °C | 95.76 mm |
| October | 9.9 °C | 23.3 °C | 88.9 mm |
| November | 3.8 °C | 16.7 °C | 55.88 mm |
| December | -1.1 °C | 10.9 °C | 49.53 mm |
| Annual | 9.7 °C | 22.2 °C | 963.18 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |