| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 61°F | 51°F | 9.0" |
| February | 45°F | 63°F | 53°F | 8.3" |
| March | 51°F | 68°F | 59°F | 15.5" |
| April | 59°F | 76°F | 68°F | 24.7" |
| May | 68°F | 83°F | 75°F | 13.6" |
| June | 73°F | 89°F | 81°F | 9.9" |
| July | 75°F | 89°F | 82°F | 15.2" |
| August | 75°F | 91°F | 82°F | 10.1" |
| September | 71°F | 88°F | 79°F | 9.4" |
| October | 60°F | 80°F | 70°F | 11.9" |
| November | 49°F | 70°F | 59°F | 7.3" |
| December | 46°F | 64°F | 54°F | 10.7" |
| Index | Mary Esther | Florida | National |
| Air quality index | 31 | 35 | 42 |
| Pollution index | 3,606,460 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 357 |
| Days with moderate air quality | 6 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Niceville, FL | 15,619 | 31 | 38.0% |
| Wright, FL | 24,671 | 31 | 38.0% |
| Fort Walton Beach, FL | 22,144 | 31 | 38.0% |
| Ocean City, FL | 5,969 | 31 | 38.0% |
| Cinco Bayou, FL | 670 | 31 | 38.0% |
| Mary Esther, FL | 4,370 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Deep River, ON | 4,370 | n/a | |
| Columbia-Shuswap D, BC | 4,370 | n/a | |
| Hamburg, PA | 4,369 | 42 | 16.0% |
| North Terre Haute, IN | 4,371 | 45 | 10.0% |
| Isle of Palms, SC | 4,371 | 38 | 24.0% |
| Mary Esther, FL | 4,370 | 31 | 38.0% |
Here are the best places to live in Florida
Check out the 10 safest cities in Florida
These are the 10 cheapest cities in Florida
Check out the 10 most dangerous cities in Florida