Cisco, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 76.5 °F (high). Annual precipitation averages 29.5 Inches. Cisco is located in USDA Plant Hardiness Zone 8a. 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 | 31.7 °F | 57.4 °F | 1.31 in. |
| February | 35.9 °F | 61.3 °F | 1.84 in. |
| March | 43.3 °F | 68.7 °F | 2.34 in. |
| April | 50.2 °F | 76.5 °F | 2.17 in. |
| May | 60.2 °F | 83.8 °F | 4.05 in. |
| June | 67.8 °F | 90.6 °F | 3.95 in. |
| July | 70.8 °F | 94.6 °F | 1.99 in. |
| August | 70.2 °F | 94.6 °F | 2.42 in. |
| September | 63.1 °F | 87.4 °F | 2.81 in. |
| October | 52.3 °F | 78.4 °F | 3.09 in. |
| November | 41.5 °F | 66.7 °F | 2.0 in. |
| December | 33.1 °F | 58.1 °F | 1.53 in. |
| Annual | 51.7 °F | 76.5 °F | 29.5 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 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 |