| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 55°F | 44°F | 8.9" |
| February | 38°F | 58°F | 47°F | 10.4" |
| March | 47°F | 68°F | 56°F | 11.1" |
| April | 54°F | 76°F | 64°F | 15.2" |
| May | 61°F | 82°F | 71°F | 9.3" |
| June | 69°F | 90°F | 79°F | 7.9" |
| July | 72°F | 92°F | 81°F | 4.2" |
| August | 71°F | 92°F | 80°F | 7.0" |
| September | 65°F | 87°F | 75°F | 8.4" |
| October | 53°F | 77°F | 64°F | 4.6" |
| November | 43°F | 66°F | 53°F | 3.4" |
| December | 39°F | 57°F | 47°F | 8.8" |
| Index | Memphis | Alabama | National |
| Air quality index | 35 | 37 | 50 |
| Pollution index | 765,692 | 4,051,223 | 5,066,862 |
| Measurement | Total |
| Days measured | 264 |
| Days with good air quality | 240 |
| Days with moderate air quality | 24 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.003% |
| City, State | Population | Air Quality Index | National Avg. |
| Aliceville, AL | 3,218 | 35 | 30% |
| Pickensville, AL | 827 | 35 | 30% |
| Carrollton, AL | 1,082 | 35 | 30% |
| McMullen, AL | 7 | 35 | 30% |
| Panola, AL | 5 | 36 | 28% |
| Memphis, AL | 47 | 35 | 30% |
| City, State | Population | Air Quality Index | National Avg. |
| Detmold, MD | 47 | 36 | 28% |
| Akaska, SD | 47 | 20 | 60% |
| Grantville, KS | 47 | 41 | 18% |
| Larsen Bay, AK | 47 | 31 | 38% |
| Idalia, CO | 47 | 58 | 16% |
| Memphis, AL | 47 | 35 | 30% |
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