| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 60°F | 48°F | 6.6" |
| February | 40°F | 64°F | 50°F | 6.8" |
| March | 48°F | 72°F | 59°F | 10.3" |
| April | 55°F | 79°F | 66°F | 8.7" |
| May | 61°F | 84°F | 72°F | 6.8" |
| June | 69°F | 91°F | 78°F | 7.6" |
| July | 70°F | 91°F | 79°F | 6.7" |
| August | 71°F | 92°F | 79°F | 9.4" |
| September | 66°F | 88°F | 75°F | 8.4" |
| October | 55°F | 79°F | 65°F | 3.9" |
| November | 44°F | 69°F | 55°F | 4.1" |
| December | 42°F | 62°F | 51°F | 6.6" |
| Index | Waynesboro | Mississippi | National |
| Air quality index | 35 | 40 | 42 |
| Pollution index | 581,249 | 1,514,109 | 2,726,193 |
| Measurement | Total |
| Days measured | 358 |
| Days with good air quality | 298 |
| Days with moderate air quality | 60 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Buckatunna, MS | 360 | 35 | 30.0% |
| Clara, MS | 551 | 35 | 30.0% |
| Shubuta, MS | 422 | 36 | 28.0% |
| Waynesboro, MS | 4,882 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Clarks Summit, PA | 4,882 | 38 | 24.0% |
| Brookridge, FL | 4,881 | 30 | 40.0% |
| Cherokee Village, AR | 4,883 | 36 | 28.0% |
| Cherokee, IA | 4,883 | 35 | 30.0% |
| Port Allen, LA | 4,883 | 45 | 10.0% |
| Waynesboro, MS | 4,882 | 35 | 30.0% |
Here are the best places to live in Mississippi
Top 10 cities in Mississippi with the best education system
10 Best cities in Mississippi for employment
Top 10 best public schools in Waynesboro