| 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 | Hot Springs | Arkansas | National |
| Air quality index | 36 | 38 | 50 |
| Pollution index | 1,270,470 | 1,270,108 | 5,066,862 |
| Measurement | Total |
| Days measured | 120 |
| Days with good air quality | 92 |
| Days with moderate air quality | 28 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.010% |
| City, State | Population | Air Quality Index | National Avg. |
| Lake Hamilton, AR | 1,874 | 36 | 28% |
| Mountain Pine, AR | 805 | 36 | 28% |
| Lonsdale, AR | 145 | 36 | 28% |
| Piney, AR | 4,145 | 36 | 28% |
| Fountain Lake, AR | 375 | 36 | 28% |
| Hot Springs, AR | 36,711 | 36 | 28% |
| City, State | Population | Air Quality Index | National Avg. |
| Longview, WA | 36,720 | 22 | 56% |
| Pleasant Grove, UT | 36,678 | 47 | 6% |
| Oakton, VA | 36,748 | 49 | 2% |
| Winter Haven, FL | 36,669 | 36 | 28% |
| Milton, GA | 36,755 | 52 | 4% |
| Hot Springs, AR | 36,711 | 36 | 28% |
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