| | Prosper, TX | Sunnyvale, TX | United States |
| Rainfall | 41.3 | 40.3 | 38.1 |
| Snowfall | 1.3 | 0.6 | 27.8 |
| Precipitation Days | 75.3 | 74.5 | 106.2 |
| Sunny | 228 | 230 | 205 |
| Avg. July High | 93.9 | 95 | 85.8 |
| Avg. Jan. Low | 31.1 | 35.4 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 5.6 | 5.7 | 4.3 |
| Elevation ft. | 682 | 486 | 2443 |