Anadarko, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.2 °C (low) to 22.8 °C (high). Annual precipitation averages 813.8 Millimeters. Anadarko 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 | -3.1 °C | 10.6 °C | 28.19 mm |
| February | -1.2 °C | 12.8 °C | 35.56 mm |
| March | 3.5 °C | 17.9 °C | 58.42 mm |
| April | 8.1 °C | 22.4 °C | 83.06 mm |
| May | 14.2 °C | 27.1 °C | 121.67 mm |
| June | 19.3 °C | 31.7 °C | 105.16 mm |
| July | 21.5 °C | 34.7 °C | 64.52 mm |
| August | 20.8 °C | 34.4 °C | 79.5 mm |
| September | 16.3 °C | 30.1 °C | 74.17 mm |
| October | 9.4 °C | 23.9 °C | 79.25 mm |
| November | 3.1 °C | 16.9 °C | 44.2 mm |
| December | -1.8 °C | 11.2 °C | 40.13 mm |
| Annual | 9.2 °C | 22.8 °C | 813.83 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |