| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 49°F | 40°F | 10.9" |
| February | 34°F | 52°F | 41°F | 7.4" |
| March | 43°F | 68°F | 53°F | 5.4" |
| April | 49°F | 71°F | 59°F | 8.1" |
| May | 59°F | 83°F | 70°F | 9.3" |
| June | 69°F | 90°F | 79°F | 3.3" |
| July | 70°F | 89°F | 79°F | 9.9" |
| August | 72°F | 95°F | 82°F | 1.9" |
| September | 65°F | 87°F | 74°F | 4.3" |
| October | 52°F | 76°F | 62°F | 15.9" |
| November | 42°F | 64°F | 51°F | 5.4" |
| December | 32°F | 50°F | 39°F | 7.9" |
| Index | Pocahontas | Arkansas | National |
| Air quality index | 26 | 38 | 42 |
| Pollution index | 507,185 | 1,487,822 | 2,726,193 |
| Measurement | Total |
| Days measured | 360 |
| Days with good air quality | 341 |
| Days with moderate air quality | 19 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Datto, AR | 69 | 26 | 48.0% |
| Reyno, AR | 466 | 26 | 48.0% |
| Ravenden Springs, AR | 178 | 26 | 48.0% |
| Delaplaine, AR | 127 | 26 | 48.0% |
| Success, AR | 111 | 26 | 48.0% |
| Pocahontas, AR | 6,582 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Spring Lake Park, MN | 6,582 | 46 | 8.0% |
| Belle Haven, VA | 6,582 | 47 | 6.0% |
| North Middlesex, ON | 6,585 | n/a | |
| Hapeville, GA | 6,576 | 52 | 4.0% |
| Plaquemine, LA | 6,589 | 45 | 10.0% |
| Pocahontas, AR | 6,582 | 26 | 48.0% |
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