| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 58°F | 46°F | 12.3" |
| February | 37°F | 62°F | 48°F | 8.4" |
| March | 45°F | 70°F | 57°F | 6.9" |
| April | 52°F | 78°F | 64°F | 7.0" |
| May | 60°F | 83°F | 71°F | 11.5" |
| June | 68°F | 90°F | 78°F | 8.8" |
| July | 71°F | 91°F | 80°F | 5.5" |
| August | 71°F | 91°F | 80°F | 6.4" |
| September | 65°F | 86°F | 75°F | 6.5" |
| October | 53°F | 78°F | 64°F | 6.9" |
| November | 42°F | 68°F | 54°F | 8.4" |
| December | 40°F | 62°F | 50°F | 10.8" |
| Index | Ray | Alabama | National |
| Air quality index | 38 | 37 | 42 |
| Pollution index | 692,959 | 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 | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Rockford, AL | 886 | 38 | 24.0% |
| Jacksons' Gap, AL | 642 | 38 | 24.0% |
| Hackneyville, AL | 331 | 38 | 24.0% |
| Stewartville, AL | 1,805 | 38 | 24.0% |
| Kellyton, AL | 175 | 38 | 24.0% |
| Ray, AL | 466 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Reyno, AR | 466 | 26 | 48.0% |
| Menlo, IA | 466 | 39 | 22.0% |
| Plymouth, IA | 466 | 15 | 70.0% |
| Parker, ID | 466 | 43 | 14.0% |
| Brewer, MO | 466 | 54 | 8.0% |
| Ray, AL | 466 | 38 | 24.0% |
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