| 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 | 50 |
| Pollution index | 570,706 | 15,391,344 | 5,066,862 |
| 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, State | Population | Air Quality Index | National Avg. |
| Fanning Springs, FL | 1,094 | 35 | 30% |
| Manatee Road, FL | 2,937 | 35 | 30% |
| Andrews, FL | 638 | 35 | 30% |
| Trenton, FL | 2,315 | 35 | 30% |
| Bronson, FL | 857 | 35 | 30% |
| Chiefland, FL | 2,223 | 35 | 30% |
| City, State | Population | Air Quality Index | National Avg. |
| North Vacherie, LA | 2,222 | 41 | 18% |
| Villa Grove, IL | 2,222 | 42 | 16% |
| Trucksville, PA | 2,224 | 38 | 24% |
| Bakerstown, PA | 2,222 | 56 | 12% |
| East Palatka, FL | 2,222 | 17 | 66% |
| Chiefland, FL | 2,223 | 35 | 30% |
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