| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 64°F | 50°F | 5.8" |
| February | 41°F | 67°F | 53°F | 4.7" |
| March | 47°F | 74°F | 60°F | 4.2" |
| April | 53°F | 81°F | 66°F | 6.6" |
| May | 60°F | 87°F | 73°F | 3.9" |
| June | 69°F | 92°F | 79°F | 5.8" |
| July | 71°F | 93°F | 80°F | 7.2" |
| August | 71°F | 92°F | 80°F | 6.0" |
| September | 67°F | 89°F | 76°F | 4.5" |
| October | 55°F | 82°F | 67°F | 4.3" |
| November | 44°F | 72°F | 57°F | 3.2" |
| December | 42°F | 67°F | 53°F | 5.6" |
| Index | Crestview | 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. |
| Laurel Hill, FL | 595 | 31 | 38.0% |
| Crestview, FL | 25,204 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Lunenburg, NS | 25,205 | n/a | |
| Sandusky, OH | 25,201 | 1 | 98.0% |
| Trotwood, OH | 25,200 | 47 | 6.0% |
| Seal Beach, CA | 25,208 | 72 | 44.0% |
| Pooler, GA | 25,214 | 39 | 22.0% |
| Crestview, FL | 25,204 | 31 | 38.0% |