| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 55°F | 77°F | 65°F | 1.4" |
| February | 54°F | 76°F | 64°F | 4.6" |
| March | 58°F | 81°F | 69°F | 6.4" |
| April | 60°F | 84°F | 72°F | 7.9" |
| May | 67°F | 88°F | 77°F | 4.3" |
| June | 73°F | 89°F | 80°F | 18.0" |
| July | 76°F | 93°F | 83°F | 9.0" |
| August | 76°F | 94°F | 83°F | 10.5" |
| September | 74°F | 91°F | 81°F | 8.3" |
| October | 71°F | 88°F | 78°F | 7.6" |
| November | 62°F | 82°F | 71°F | 10.2" |
| December | 57°F | 79°F | 67°F | 1.1" |
| Index | LaBelle | Florida | National |
| Air quality index | 36 | 35 | 42 |
| Pollution index | 58,201,700 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 328 |
| Days with moderate air quality | 36 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 1.330% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Charleston Park, FL | 158 | 36 | 28.0% |
| Lehigh Acres, FL | 128,418 | 36 | 28.0% |
| Fort Denaud, FL | 2,088 | 36 | 28.0% |
| Alva, FL | 3,129 | 36 | 28.0% |
| Port LaBelle, FL | 5,356 | 36 | 28.0% |
| LaBelle, FL | 5,333 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Moyock, NC | 5,332 | 40 | 20.0% |
| Byron, GA | 5,334 | 38 | 24.0% |
| Sheldon, IA | 5,334 | 36 | 28.0% |
| Spring Valley, IL | 5,330 | 0 | 100.0% |
| Yarmouth Port, MA | 5,330 | 36 | 28.0% |
| LaBelle, FL | 5,333 | 36 | 28.0% |