| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 53°F | 44°F | 13.8" |
| February | 38°F | 58°F | 47°F | 3.2" |
| March | 47°F | 69°F | 57°F | 7.0" |
| April | 50°F | 73°F | 61°F | 6.6" |
| May | 61°F | 82°F | 71°F | 6.4" |
| June | 69°F | 90°F | 79°F | 5.6" |
| July | 72°F | 91°F | 80°F | 9.9" |
| August | 74°F | 97°F | 85°F | 2.2" |
| September | 67°F | 88°F | 77°F | 11.5" |
| October | 54°F | 76°F | 64°F | 6.7" |
| November | 45°F | 66°F | 55°F | 8.4" |
| December | 35°F | 57°F | 44°F | 7.6" |
| Index | Haskell | 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. |
| Perla, AR | 204 | 38 | 24.0% |
| Lonsdale, AR | 265 | 38 | 24.0% |
| Poyen, AR | 361 | 38 | 24.0% |
| Magnet Cove, AR | 964 | 38 | 24.0% |
| Traskwood, AR | 350 | 38 | 24.0% |
| Haskell, AR | 4,559 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Brooktrails, CA | 4,559 | 33 | 34.0% |
| Hawthorne, NY | 4,559 | 51 | 2.0% |
| Castle Pines Village, CO | 4,558 | 58 | 16.0% |
| Avalon, PA | 4,558 | 56 | 12.0% |
| Sunnyside, CA | 4,557 | 60 | 20.0% |
| Haskell, AR | 4,559 | 45 | 10.0% |
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