| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 42°F | 3.6" |
| February | 36°F | 57°F | 45°F | 3.7" |
| March | 45°F | 67°F | 55°F | 5.6" |
| April | 53°F | 76°F | 64°F | 6.5" |
| May | 61°F | 82°F | 71°F | 7.0" |
| June | 71°F | 91°F | 80°F | 3.1" |
| July | 73°F | 93°F | 82°F | 4.4" |
| August | 73°F | 93°F | 82°F | 3.6" |
| September | 66°F | 87°F | 75°F | 3.5" |
| October | 53°F | 76°F | 63°F | 4.3" |
| November | 43°F | 65°F | 53°F | 5.1" |
| December | 36°F | 55°F | 44°F | 6.4" |
| Index | Sweet Home | Arkansas | National |
| Air quality index | 47 | 38 | 50 |
| Pollution index | 424,982 | 1,270,108 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 211 |
| Days with moderate air quality | 153 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Cammack Village, AR | 969 | 47 | 6% |
| Jacksonville, AR | 28,661 | 47 | 6% |
| McAlmont, AR | 1,845 | 47 | 6% |
| Scott, AR | 36 | 47 | 6% |
| Wrightsville, AR | 1,246 | 47 | 6% |
| Sweet Home, AR | 582 | 47 | 6% |
| City, State | Population | Air Quality Index | National Avg. |
| Quentin, PA | 582 | 43 | 14% |
| Tilghmanton, MD | 582 | 41 | 18% |
| Eagletown, OK | 582 | 38 | 24% |
| Holland, AR | 582 | 47 | 6% |
| Wye, MT | 582 | 55 | 10% |
| Sweet Home, AR | 582 | 47 | 6% |