Lima, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 72.9 °F (high). Annual precipitation averages 41.8 Inches. Lima 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 | 27.3 °F | 50.8 °F | 1.76 in. |
| February | 31.1 °F | 55.2 °F | 2.19 in. |
| March | 39.6 °F | 64.0 °F | 2.99 in. |
| April | 47.9 °F | 72.9 °F | 4.2 in. |
| May | 57.8 °F | 79.6 °F | 5.47 in. |
| June | 66.8 °F | 87.9 °F | 4.97 in. |
| July | 70.4 °F | 93.6 °F | 3.79 in. |
| August | 69.1 °F | 93.8 °F | 3.28 in. |
| September | 61.1 °F | 85.8 °F | 4.26 in. |
| October | 49.4 °F | 75.1 °F | 3.65 in. |
| November | 38.8 °F | 63.1 °F | 2.76 in. |
| December | 30.2 °F | 52.7 °F | 2.43 in. |
| Annual | 49.1 °F | 72.9 °F | 41.75 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |