| 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 | Estero | Florida | National |
| Air quality index | 34 | 35 | 42 |
| Pollution index | 58,201,700 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 362 |
| Days with good air quality | 331 |
| Days with moderate air quality | 31 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| 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. |
| Island Walk, FL | 2,802 | 34 | 32.0% |
| Naples Park, FL | 6,151 | 34 | 32.0% |
| Orangetree, FL | 4,231 | 34 | 32.0% |
| Bonita Springs, FL | 57,755 | 34 | 32.0% |
| Vineyards, FL | 3,407 | 34 | 32.0% |
| Estero, FL | 33,450 | 34 | 32.0% |
| City | Population | Air Quality Index | National Avg. |
| Fairborn, OH | 33,456 | 47 | 6.0% |
| Woodridge, IL | 33,443 | 55 | 10.0% |
| Saint-Georges, QC | 33,468 | n/a | |
| Lake Stevens, WA | 33,470 | 45 | 10.0% |
| Long Beach, NY | 33,475 | 51 | 2.0% |
| Estero, FL | 33,450 | 34 | 32.0% |
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