| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 62°F | 52°F | 9.5" |
| February | 44°F | 64°F | 54°F | 12.6" |
| March | 51°F | 71°F | 61°F | 14.4" |
| April | 58°F | 77°F | 68°F | 16.9" |
| May | 65°F | 83°F | 74°F | 11.5" |
| June | 73°F | 89°F | 81°F | 10.8" |
| July | 74°F | 90°F | 82°F | 12.4" |
| August | 74°F | 90°F | 82°F | 12.3" |
| September | 70°F | 87°F | 78°F | 14.1" |
| October | 59°F | 80°F | 69°F | 15.0" |
| November | 49°F | 71°F | 59°F | 12.1" |
| December | 47°F | 66°F | 55°F | 11.2" |
| Index | Niceville | 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. |
| Ocean City, FL | 5,969 | 31 | 38.0% |
| Cinco Bayou, FL | 670 | 31 | 38.0% |
| Lake Lorraine, FL | 7,495 | 31 | 38.0% |
| Shalimar, FL | 830 | 31 | 38.0% |
| Destin, FL | 14,482 | 31 | 38.0% |
| Niceville, FL | 15,619 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Brooks, AB | 15,617 | n/a | |
| Mastic Beach, NY | 15,610 | 43 | 14.0% |
| Wilmington Island, GA | 15,607 | 39 | 22.0% |
| Fillmore, CA | 15,631 | 46 | 8.0% |
| Lakeway, TX | 15,605 | 44 | 12.0% |
| Niceville, FL | 15,619 | 31 | 38.0% |
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