Elgin, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.6 °F (low) to 73.6 °F (high). Annual precipitation averages 32.8 Inches. Elgin 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 | 27.8 °F | 51.8 °F | 1.21 in. |
| February | 31.2 °F | 55.6 °F | 1.51 in. |
| March | 39.7 °F | 64.8 °F | 2.38 in. |
| April | 47.9 °F | 72.8 °F | 3.33 in. |
| May | 58.2 °F | 81.0 °F | 4.64 in. |
| June | 67.3 °F | 89.5 °F | 4.28 in. |
| July | 71.2 °F | 95.0 °F | 2.63 in. |
| August | 70.1 °F | 94.7 °F | 2.85 in. |
| September | 62.3 °F | 86.5 °F | 3.26 in. |
| October | 50.1 °F | 75.2 °F | 3.2 in. |
| November | 38.9 °F | 63.0 °F | 1.77 in. |
| December | 29.9 °F | 52.7 °F | 1.7 in. |
| Annual | 49.6 °F | 73.6 °F | 32.76 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |