| | Mertens, TX | Cleburne, TX | United States |
| Rainfall | 38.7 | 37.8 | 38.1 |
| Snowfall | 0.3 | 0.8 | 27.8 |
| Precipitation Days | 77.7 | 75.2 | 106.2 |
| Sunny | 230 | 233 | 205 |
| Avg. July High | 95.2 | 94.9 | 85.8 |
| Avg. Jan. Low | 34.1 | 32.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 5.8 | 5.4 | 4.3 |
| Elevation ft. | 538 | 764 | 2443 |