Peoria, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 69.1 °F (high). Annual precipitation averages 47 Inches. Peoria is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.6 °F | 45.5 °F | 2.1 in. |
| February | 27.9 °F | 50.2 °F | 2.15 in. |
| March | 36.6 °F | 59.7 °F | 3.55 in. |
| April | 45.9 °F | 69.2 °F | 4.91 in. |
| May | 56.0 °F | 76.9 °F | 6.94 in. |
| June | 65.1 °F | 85.5 °F | 5.18 in. |
| July | 69.0 °F | 90.4 °F | 3.96 in. |
| August | 67.2 °F | 90.1 °F | 3.56 in. |
| September | 59.1 °F | 82.5 °F | 4.75 in. |
| October | 47.2 °F | 71.3 °F | 3.94 in. |
| November | 36.5 °F | 59.2 °F | 3.36 in. |
| December | 28.0 °F | 48.5 °F | 2.58 in. |
| Annual | 46.9 °F | 69.1 °F | 46.98 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |