Ravenna, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.3 °F (low) to 74.2 °F (high). Annual precipitation averages 45.6 Inches. Ravenna is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.7 °F | 53.3 °F | 2.67 in. |
| February | 35.4 °F | 57.6 °F | 3.07 in. |
| March | 42.9 °F | 65.3 °F | 4.01 in. |
| April | 50.6 °F | 73.1 °F | 3.85 in. |
| May | 60.5 °F | 80.4 °F | 5.56 in. |
| June | 68.8 °F | 88.7 °F | 4.27 in. |
| July | 72.5 °F | 93.7 °F | 2.89 in. |
| August | 71.4 °F | 94.0 °F | 2.83 in. |
| September | 64.2 °F | 87.4 °F | 4.31 in. |
| October | 52.5 °F | 76.8 °F | 4.42 in. |
| November | 42.2 °F | 64.7 °F | 3.91 in. |
| December | 34.3 °F | 55.4 °F | 3.8 in. |
| Annual | 52.3 °F | 74.2 °F | 45.59 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |