| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 42°F | 4.8" |
| February | 35°F | 57°F | 45°F | 3.2" |
| March | 44°F | 67°F | 54°F | 4.5" |
| April | 51°F | 76°F | 63°F | 4.9" |
| May | 59°F | 82°F | 70°F | 4.3" |
| June | 67°F | 91°F | 78°F | 4.2" |
| July | 70°F | 92°F | 80°F | 5.3" |
| August | 69°F | 92°F | 79°F | 4.5" |
| September | 62°F | 86°F | 73°F | 3.8" |
| October | 50°F | 76°F | 62°F | 3.9" |
| November | 40°F | 65°F | 52°F | 3.6" |
| December | 36°F | 56°F | 45°F | 5.6" |
| Index | Russellville | Alabama | National |
| Air quality index | 37 | 37 | 50 |
| Pollution index | 1,799,140 | 4,051,223 | 5,066,862 |
| Measurement | Total |
| Days measured | 263 |
| Days with good air quality | 252 |
| Days with moderate air quality | 11 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City, State | Population | Air Quality Index | National Avg. |
| Tuscumbia, AL | 8,506 | 37 | 26% |
| Littleville, AL | 1,045 | 37 | 26% |
| Belgreen, AL | 82 | 37 | 26% |
| Phil Campbell, AL | 1,433 | 37 | 26% |
| Hodges, AL | 301 | 37 | 26% |
| Russellville, AL | 9,804 | 37 | 26% |
| City, State | Population | Air Quality Index | National Avg. |
| Poulsbo, WA | 9,806 | 18 | 64% |
| Glenwood Springs, CO | 9,806 | 44 | 12% |
| Croydon, PA | 9,807 | 41 | 18% |
| Bluffdale, UT | 9,809 | 51 | 2% |
| Rodeo, CA | 9,798 | 40 | 20% |
| Russellville, AL | 9,804 | 37 | 26% |
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