| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 48°F | 71°F | 58°F | 9.0" |
| February | 48°F | 74°F | 60°F | 5.0" |
| March | 52°F | 78°F | 64°F | 6.3" |
| April | 57°F | 85°F | 70°F | 2.4" |
| May | 60°F | 89°F | 74°F | 4.7" |
| June | 67°F | 90°F | 77°F | 11.2" |
| July | 67°F | 90°F | 77°F | 8.3" |
| August | 69°F | 91°F | 78°F | 6.6" |
| September | 68°F | 89°F | 77°F | 11.1" |
| October | 62°F | 85°F | 72°F | 5.3" |
| November | 54°F | 77°F | 64°F | 2.6" |
| December | 53°F | 78°F | 64°F | 1.9" |
| Index | Zephyrhills | Florida | National |
| Air quality index | 36 | 35 | 42 |
| Pollution index | 4,416,470 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 314 |
| Days with moderate air quality | 51 |
| 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. |
| Crystal Springs, FL | 872 | 36 | 28.0% |
| Lakeland, FL | 110,335 | 36 | 28.0% |
| Zephyrhills North, FL | 3,636 | 36 | 28.0% |
| Dade City, FL | 7,270 | 36 | 28.0% |
| Pasadena Hills, FL | 11,301 | 36 | 28.0% |
| Zephyrhills, FL | 16,062 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Laguna Woods, CA | 16,056 | 89 | 78.0% |
| Cullman, AL | 16,072 | 41 | 18.0% |
| Albemarle, NC | 16,073 | 40 | 20.0% |
| Harrisburg, NC | 16,073 | 49 | 2.0% |
| Ripon, CA | 16,049 | 49 | 2.0% |
| Zephyrhills, FL | 16,062 | 36 | 28.0% |
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