| Centreville, VA | Round Rock, TX | United States |
Rainfall | 42.9 | 36 | 38.1 |
Snowfall | 21.5 | 0.2 | 27.8 |
Precipitation Days | 119.6 | 78.4 | 106.2 |
Sunny | 199 | 232 | 205 |
Avg. July High | 87.5 | 95 | 85.8 |
Avg. Jan. Low | 23.6 | 38 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 4 | 6.1 | 4.3 |
Elevation ft. | 358 | 735 | 2443 |