| Washington, MO | Affton, MO | United States |
Rainfall | 44 | 44 | 38 |
Snowfall | 12 | 16 | 28 |
Precipitation | 107 | 105 | 106 |
Sunny | 204 | 202 | 205 |
Avg. July High | 89 | 89 | 86 |
Avg. Jan. Low | 22 | 23 | 22 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 4.1 | 4.3 | 4.3 |
Elevation | 554 | 620 | 2443 |