| | Royse City, TX | Marion, TX | United States |
| Rainfall | 40.5 | 34.1 | 38.1 |
| Snowfall | 0.7 | 0.1 | 27.8 |
| Precipitation Days | 81.1 | 76.7 | 106.2 |
| Sunny | 228 | 223 | 205 |
| Avg. July High | 95 | 94.1 | 85.8 |
| Avg. Jan. Low | 33.9 | 39.4 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.2 | 7 |
| UV Index | 5.4 | 5.9 | 4.3 |
| Elevation ft. | 554 | 646 | 2443 |