| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 55°F | 44°F | 3.3" |
| February | 37°F | 58°F | 47°F | 2.6" |
| March | 46°F | 68°F | 56°F | 6.7" |
| April | 53°F | 76°F | 64°F | 6.9" |
| May | 61°F | 81°F | 70°F | 7.1" |
| June | 70°F | 91°F | 80°F | 3.9" |
| July | 72°F | 94°F | 82°F | 5.6" |
| August | 71°F | 94°F | 81°F | 2.4" |
| September | 63°F | 87°F | 74°F | 2.5" |
| October | 52°F | 77°F | 63°F | 3.6" |
| November | 44°F | 66°F | 54°F | 6.2" |
| December | 37°F | 56°F | 45°F | 7.7" |
| Index | Waldron | Arkansas | National |
| Air quality index | 36 | 38 | 42 |
| Pollution index | 1,131,940 | 1,487,822 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 323 |
| Days with moderate air quality | 38 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.190% |
| City | Population | Air Quality Index | National Avg. |
| Huntington, AR | 522 | 36 | 28.0% |
| Mansfield, AR | 1,199 | 36 | 28.0% |
| Midland, AR | 341 | 36 | 28.0% |
| Waldron, AR | 3,379 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Jamestown, CA | 3,379 | 39 | 22.0% |
| Sleepy Eye, MN | 3,378 | 32 | 36.0% |
| Compton, QC | 3,378 | n/a | |
| Lincoln, ID | 3,380 | 27 | 46.0% |
| Greentown, OH | 3,380 | 46 | 8.0% |
| Waldron, AR | 3,379 | 36 | 28.0% |
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