Rochelle, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.9 °C (low) to 25.4 °C (high). Annual precipitation averages 691.9 Millimeters. Rochelle is located in USDA Plant Hardiness Zone 8b. 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 | 1.4 °C | 15.1 °C | 34.8 mm |
| February | 3.4 °C | 17.6 °C | 47.5 mm |
| March | 7.6 °C | 21.3 °C | 57.15 mm |
| April | 11.1 °C | 25.7 °C | 44.96 mm |
| May | 16.3 °C | 29.3 °C | 97.03 mm |
| June | 20.2 °C | 32.9 °C | 85.85 mm |
| July | 21.6 °C | 34.7 °C | 49.53 mm |
| August | 21.5 °C | 34.9 °C | 51.31 mm |
| September | 17.9 °C | 31.3 °C | 65.28 mm |
| October | 12.5 °C | 26.4 °C | 71.37 mm |
| November | 6.7 °C | 20.1 °C | 48.77 mm |
| December | 2.2 °C | 15.7 °C | 38.35 mm |
| Annual | 11.9 °C | 25.4 °C | 691.9 mm |
| 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |