| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 57°F | 44°F | 8.5" |
| February | 36°F | 61°F | 47°F | 7.2" |
| March | 47°F | 71°F | 58°F | 6.6" |
| April | 53°F | 78°F | 65°F | 7.7" |
| May | 59°F | 84°F | 71°F | 10.7" |
| June | 68°F | 89°F | 77°F | 8.2" |
| July | 72°F | 93°F | 82°F | 5.7" |
| August | 71°F | 93°F | 81°F | 5.1" |
| September | 66°F | 91°F | 77°F | 4.8" |
| October | 53°F | 80°F | 65°F | 3.1" |
| November | 39°F | 66°F | 51°F | 8.5" |
| December | 39°F | 60°F | 48°F | 7.5" |
| Index | Riverside | Alabama | National |
| Air quality index | 38 | 37 | 42 |
| Pollution index | 2,562,360 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 114 |
| Days with good air quality | 88 |
| Days with moderate air quality | 26 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.005% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.030% |
| Mercury | 0.040% |
| City | Population | Air Quality Index | National Avg. |
| Lincoln, AL | 6,805 | 38 | 24.0% |
| Talladega, AL | 15,405 | 38 | 24.0% |
| Odenville, AL | 3,705 | 38 | 24.0% |
| Munford, AL | 1,465 | 38 | 24.0% |
| Pell City, AL | 14,081 | 38 | 24.0% |
| Riverside, AL | 2,077 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Alorton, IL | 2,077 | 54 | 8.0% |
| Fredonia, KS | 2,077 | 22 | 56.0% |
| Dundee, NY | 2,077 | 34 | 32.0% |
| Benavides, TX | 2,077 | 30 | 40.0% |
| La Plata, NM | 2,078 | 49 | 2.0% |
| Riverside, AL | 2,077 | 38 | 24.0% |
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