| | South Tucson, AZ | Clarksville, VA | United States |
| Rainfall | 11.6 | 43.8 | 38.1 |
| Snowfall | 0.2 | 4.5 | 27.8 |
| Precipitation Days | 47.9 | 93.5 | 106.2 |
| Sunny | 281 | 216 | 205 |
| Avg. July High | 100.6 | 89.9 | 85.8 |
| Avg. Jan. Low | 38.8 | 27.1 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.6 | 7 |
| UV Index | 6.5 | 4.7 | 4.3 |
| Elevation ft. | 2425 | 354 | 2443 |