| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 43°F | 68°F | 55°F | 4.2" |
| February | 43°F | 69°F | 55°F | 3.8" |
| March | 48°F | 75°F | 61°F | 3.4" |
| April | 55°F | 81°F | 68°F | 2.6" |
| May | 62°F | 87°F | 74°F | 3.5" |
| June | 70°F | 90°F | 79°F | 6.3" |
| July | 72°F | 91°F | 80°F | 6.4" |
| August | 73°F | 91°F | 80°F | 7.9" |
| September | 69°F | 89°F | 77°F | 2.5" |
| October | 61°F | 83°F | 70°F | 4.4" |
| November | 49°F | 74°F | 61°F | 1.3" |
| December | 47°F | 71°F | 58°F | 3.9" |
| Index | Starke | Florida | National |
| Air quality index | 35 | 35 | 42 |
| Pollution index | 5,184,880 | 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 | 0.190% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.070% |
| Lead | 0.060% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Keystone Heights, FL | 1,538 | 35 | 30.0% |
| Lawtey, FL | 1,083 | 35 | 30.0% |
| Brooker, FL | 330 | 35 | 30.0% |
| Waldo, FL | 972 | 35 | 30.0% |
| Hampton, FL | 540 | 35 | 30.0% |
| Starke, FL | 5,625 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Canal Fulton, OH | 5,625 | 46 | 8.0% |
| San Leon, TX | 5,626 | 52 | 4.0% |
| Lac-Brome, QC | 5,626 | n/a | |
| Chadron, NE | 5,621 | 19 | 62.0% |
| Slinger, WI | 5,629 | 44 | 12.0% |
| Starke, FL | 5,625 | 35 | 30.0% |