| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 45°F | 69°F | 56°F | 7.6" |
| February | 47°F | 71°F | 58°F | 9.0" |
| March | 51°F | 77°F | 64°F | 15.1" |
| April | 58°F | 83°F | 70°F | 6.7" |
| May | 64°F | 88°F | 75°F | 13.4" |
| June | 71°F | 91°F | 79°F | 9.8" |
| July | 72°F | 91°F | 80°F | 12.0" |
| August | 73°F | 91°F | 80°F | 7.7" |
| September | 70°F | 89°F | 78°F | 8.0" |
| October | 61°F | 83°F | 71°F | 8.4" |
| November | 52°F | 76°F | 63°F | 10.8" |
| December | 50°F | 73°F | 60°F | 6.6" |
| Index | Dunnellon | Florida | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 10,104,200 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 337 |
| Days with moderate air quality | 28 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.140% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.130% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Black Diamond, FL | 1,110 | 30 | 40.0% |
| Inglis, FL | 1,768 | 30 | 40.0% |
| Lecanto, FL | 7,224 | 30 | 40.0% |
| Citrus Hills, FL | 7,711 | 30 | 40.0% |
| Hernando, FL | 8,977 | 30 | 40.0% |
| Dunnellon, FL | 2,329 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Jean Lafitte, LA | 2,329 | 45 | 10.0% |
| Graysville, AL | 2,328 | 53 | 6.0% |
| Silver Creek, NY | 2,328 | 39 | 22.0% |
| Swanton, VT | 2,328 | 37 | 26.0% |
| Kouts, IN | 2,330 | 37 | 26.0% |
| Dunnellon, FL | 2,329 | 30 | 40.0% |
Here are the best places to live in Florida
Top 10 cities in Florida with the best education system
See the best places to live in & around Dunnellon
10 best cities to buy a new house in Florida