| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 59°F | 47°F | 4.3" |
| February | 41°F | 62°F | 51°F | 3.4" |
| March | 49°F | 70°F | 59°F | 4.7" |
| April | 56°F | 78°F | 66°F | 4.5" |
| May | 64°F | 84°F | 73°F | 3.6" |
| June | 72°F | 92°F | 81°F | 3.4" |
| July | 75°F | 94°F | 83°F | 4.0" |
| August | 75°F | 95°F | 84°F | 2.7" |
| September | 68°F | 90°F | 78°F | 3.0" |
| October | 56°F | 80°F | 67°F | 4.1" |
| November | 47°F | 69°F | 57°F | 4.1" |
| December | 40°F | 60°F | 49°F | 4.3" |
| Index | Bossier City | Louisiana | National |
| Air quality index | 39 | 106 | 42 |
| Pollution index | 696,660 | 2,526,475 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 291 |
| Days with moderate air quality | 74 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.005% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Red Chute, LA | 6,809 | 39 | 22.0% |
| Lakeview, LA | 1,231 | 39 | 22.0% |
| Benton, LA | 2,171 | 39 | 22.0% |
| Mooringsport, LA | 541 | 39 | 22.0% |
| Eastwood, LA | 4,017 | 39 | 22.0% |
| Bossier City, LA | 70,171 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Palo Alto, CA | 70,212 | 43 | 14.0% |
| Eau Claire, WI | 70,119 | 34 | 32.0% |
| Yorba Linda, CA | 70,241 | 89 | 78.0% |
| Waterloo, IA | 70,052 | 39 | 22.0% |
| Palatine, IL | 70,310 | 55 | 10.0% |
| Bossier City, LA | 70,171 | 39 | 22.0% |