| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 49°F | 71°F | 59°F | 2.3" |
| February | 50°F | 73°F | 61°F | 2.4" |
| March | 56°F | 78°F | 66°F | 2.5" |
| April | 62°F | 84°F | 72°F | 2.2" |
| May | 68°F | 89°F | 77°F | 3.1" |
| June | 73°F | 92°F | 81°F | 6.5" |
| July | 75°F | 92°F | 82°F | 6.1" |
| August | 75°F | 92°F | 82°F | 6.9" |
| September | 73°F | 90°F | 80°F | 5.1" |
| October | 65°F | 85°F | 74°F | 2.1" |
| November | 56°F | 78°F | 66°F | 1.7" |
| December | 54°F | 75°F | 63°F | 1.6" |
| Index | Webster | Florida | National |
| Air quality index | 30 | 35 | 42 |
| Pollution index | 4,416,470 | 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 | 0.002% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Hill 'n Dale, FL | 3,132 | 30 | 40.0% |
| Spring Lake, FL | 503 | 30 | 40.0% |
| Bushnell, FL | 3,170 | 30 | 40.0% |
| Istachatta, FL | 62 | 30 | 40.0% |
| Nobleton, FL | 186 | 30 | 40.0% |
| Webster, FL | 1,130 | 30 | 40.0% |
| City | Population | Air Quality Index | National Avg. |
| Clay, CA | 1,130 | 52 | 4.0% |
| Hebron Estates, KY | 1,130 | 49 | 2.0% |
| Moreauville, LA | 1,130 | 30 | 40.0% |
| Belwood, NC | 1,130 | 36 | 28.0% |
| Rowland, NC | 1,130 | 30 | 40.0% |
| Webster, FL | 1,130 | 30 | 40.0% |
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