| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 55°F | 76°F | 64°F | 3.0" |
| February | 56°F | 78°F | 66°F | 1.9" |
| March | 59°F | 81°F | 69°F | 2.3" |
| April | 64°F | 86°F | 75°F | 2.2" |
| May | 69°F | 90°F | 79°F | 3.2" |
| June | 74°F | 91°F | 81°F | 9.9" |
| July | 75°F | 92°F | 82°F | 10.4" |
| August | 76°F | 92°F | 82°F | 10.7" |
| September | 74°F | 91°F | 81°F | 9.1" |
| October | 69°F | 87°F | 77°F | 4.0" |
| November | 61°F | 82°F | 70°F | 1.5" |
| December | 59°F | 79°F | 68°F | 1.8" |
| Index | Sanibel | 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. |
| Bonita Springs, FL | 57,755 | 34 | 32.0% |
| Pelican Bay, FL | 6,257 | 34 | 32.0% |
| Estero, FL | 33,450 | 34 | 32.0% |
| Naples Park, FL | 6,151 | 34 | 32.0% |
| Page Park, FL | 621 | 36 | 28.0% |
| Sanibel, FL | 7,378 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Ben Lomond, CA | 7,378 | 35 | 30.0% |
| Edwardsburgh/Cardinal, ON | 7,376 | n/a | |
| St. Gabriel, LA | 7,374 | 45 | 10.0% |
| Highland Heights, KY | 7,372 | 54 | 8.0% |
| Saint-Philippe, QC | 7,384 | n/a | |
| Sanibel, FL | 7,378 | 36 | 28.0% |
Here are the best places to live in Florida
These are the largest cities in Florida
Check out the 10 safest cities in Florida
These are the 10 cheapest cities in Florida