| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 64°F | 52°F | 5.7" |
| February | 44°F | 68°F | 55°F | 5.4" |
| March | 51°F | 75°F | 62°F | 5.2" |
| April | 57°F | 81°F | 68°F | 6.7" |
| May | 64°F | 87°F | 75°F | 4.3" |
| June | 72°F | 92°F | 81°F | 7.9" |
| July | 74°F | 93°F | 82°F | 7.1" |
| August | 74°F | 93°F | 82°F | 6.6" |
| September | 70°F | 90°F | 79°F | 5.5" |
| October | 58°F | 83°F | 70°F | 4.2" |
| November | 48°F | 74°F | 60°F | 2.8" |
| December | 47°F | 68°F | 56°F | 6.6" |
| Index | Harold | Florida | National |
| Air quality index | 41 | 35 | 42 |
| Pollution index | 4,186,460 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 279 |
| Days with moderate air quality | 85 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Springhill, FL | 91 | 41 | 18.0% |
| Allentown, FL | 787 | 41 | 18.0% |
| East Milton, FL | 14,388 | 41 | 18.0% |
| Milton, FL | 10,259 | 41 | 18.0% |
| Point Baker, FL | 3,072 | 41 | 18.0% |
| Harold, FL | 1,070 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Vanceboro, NC | 1,070 | 0 | 100.0% |
| Seiling, OK | 1,070 | 48 | 4.0% |
| Membertou 28B, NS | 1,070 | n/a | |
| Powell, AL | 1,071 | 39 | 22.0% |
| Bodega Bay, CA | 1,069 | 34 | 32.0% |
| Harold, FL | 1,070 | 41 | 18.0% |
Here are the best places to live in Florida
Most Dangerous Cities In The US
Check out the 10 safest cities in Florida
Check out the 10 most dangerous cities in Florida