| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 70°F | 54°F | 3.5" |
| February | 42°F | 72°F | 56°F | 3.3" |
| March | 47°F | 78°F | 62°F | 2.9" |
| April | 54°F | 83°F | 68°F | 2.6" |
| May | 61°F | 89°F | 74°F | 3.7" |
| June | 70°F | 92°F | 80°F | 7.2" |
| July | 72°F | 93°F | 81°F | 8.9" |
| August | 73°F | 92°F | 81°F | 10.3" |
| September | 69°F | 90°F | 78°F | 6.2" |
| October | 58°F | 85°F | 70°F | 2.3" |
| November | 47°F | 77°F | 61°F | 2.0" |
| December | 45°F | 73°F | 57°F | 3.5" |
| Index | Chiefland | Florida | National |
| Air quality index | 35 | 35 | 42 |
| Pollution index | 570,706 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 329 |
| Days with moderate air quality | 35 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Bronson, FL | 1,118 | 35 | 30.0% |
| Otter Creek, FL | 135 | 35 | 30.0% |
| Fanning Springs, FL | 1,219 | 35 | 30.0% |
| Manatee Road, FL | 2,168 | 35 | 30.0% |
| Andrews, FL | 971 | 35 | 30.0% |
| Chiefland, FL | 2,379 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Fairfield, ME | 2,378 | 28 | 44.0% |
| Victor, ID | 2,380 | 43 | 14.0% |
| Oakland, ME | 2,380 | 28 | 44.0% |
| Sardis, MS | 2,380 | 33 | 34.0% |
| Taylorsville, MS | 2,380 | 35 | 30.0% |
| Chiefland, FL | 2,379 | 35 | 30.0% |