| 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 | Tull | Arkansas | National |
| Air quality index | 45 | 38 | 42 |
| Pollution index | 1,270,470 | 1,487,822 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 235 |
| Days with moderate air quality | 130 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Malvern, AR | 10,886 | 38 | 24.0% |
| Rockport, AR | 819 | 38 | 24.0% |
| Lonsdale, AR | 265 | 38 | 24.0% |
| Perla, AR | 204 | 38 | 24.0% |
| Magnet Cove, AR | 964 | 38 | 24.0% |
| Tull, AR | 489 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Stanfield, AZ | 489 | 74 | 48.0% |
| Johnson Village, CO | 489 | 16 | 68.0% |
| Cobbtown, GA | 489 | 39 | 22.0% |
| La Harpe, KS | 489 | 22 | 56.0% |
| Cawood, KY | 489 | 39 | 22.0% |
| Tull, AR | 489 | 45 | 10.0% |
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