Muskogee, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 22.1 °C (high). Annual precipitation averages 1117.9 Millimeters. Muskogee 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 | 9.5 °C | 54.36 mm |
| February | -0.6 °C | 12.1 °C | 54.61 mm |
| March | 4.2 °C | 17 °C | 93.98 mm |
| April | 9.1 °C | 22 °C | 113.03 mm |
| May | 14.6 °C | 26.1 °C | 151.13 mm |
| June | 19.7 °C | 30.7 °C | 122.17 mm |
| July | 21.8 °C | 33.5 °C | 88.9 mm |
| August | 21.1 °C | 33.7 °C | 76.71 mm |
| September | 16.7 °C | 29.5 °C | 110.74 mm |
| October | 9.9 °C | 23.2 °C | 92.96 mm |
| November | 3.9 °C | 16.8 °C | 86.36 mm |
| December | -0.9 °C | 10.7 °C | 72.9 mm |
| Annual | 9.7 °C | 22.1 °C | 1117.85 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 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 |