| 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 | Rawls Springs | Mississippi | National |
| Air quality index | 35 | 40 | 42 |
| Pollution index | 2,346,240 | 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 | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Ellisville, MS | 4,819 | 35 | 30.0% |
| Seminary, MS | 274 | 35 | 30.0% |
| Glendale, MS | 1,516 | 35 | 30.0% |
| West Hattiesburg, MS | 6,083 | 35 | 30.0% |
| Sumrall, MS | 2,353 | 35 | 30.0% |
| Rawls Springs, MS | 1,746 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Meridian Hills, IN | 1,746 | 54 | 8.0% |
| McComb, OH | 1,746 | 39 | 22.0% |
| Ashland, AL | 1,745 | 38 | 24.0% |
| Coaling, AL | 1,747 | 35 | 30.0% |
| Southport, CT | 1,747 | 43 | 14.0% |
| Rawls Springs, MS | 1,746 | 35 | 30.0% |