| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 56°F | 74°F | 64°F | 2.6" |
| February | 55°F | 74°F | 64°F | 3.8" |
| March | 60°F | 79°F | 68°F | 5.4" |
| April | 62°F | 81°F | 71°F | 7.1" |
| May | 70°F | 87°F | 78°F | 6.0" |
| June | 75°F | 90°F | 82°F | 11.5" |
| July | 77°F | 92°F | 84°F | 9.5" |
| August | 78°F | 93°F | 85°F | 12.6" |
| September | 77°F | 91°F | 83°F | 5.6" |
| October | 72°F | 86°F | 78°F | 6.9" |
| November | 62°F | 80°F | 70°F | 3.1" |
| December | 57°F | 75°F | 64°F | 2.9" |
| Index | Seminole | Florida | National |
| Air quality index | 43 | 35 | 42 |
| Pollution index | 966,644 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 267 |
| Days with moderate air quality | 92 |
| Days w/ poor A.Q. for sensitive groups | 6 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.004% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| South Pasadena, FL | 5,090 | 38 | 24.0% |
| Tierra Verde, FL | 4,013 | 38 | 24.0% |
| Gulfport, FL | 12,334 | 38 | 24.0% |
| St. Pete Beach, FL | 9,603 | 38 | 24.0% |
| Treasure Island, FL | 6,910 | 38 | 24.0% |
| Seminole, FL | 18,772 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Midland, ON | 18,769 | n/a | |
| Hawthorne, NJ | 18,762 | 51 | 2.0% |
| Jacksonville, IL | 18,784 | 40 | 20.0% |
| Twinsburg, OH | 18,754 | 50 | = 100 |
| Farmington, MO | 18,792 | 54 | 8.0% |
| Seminole, FL | 18,772 | 43 | 14.0% |
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