| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 51°F | 74°F | 61°F | 2.9" |
| February | 54°F | 77°F | 64°F | 2.0" |
| March | 57°F | 81°F | 68°F | 3.4" |
| April | 64°F | 86°F | 74°F | 1.8" |
| May | 68°F | 90°F | 78°F | 3.3" |
| June | 73°F | 92°F | 80°F | 9.7" |
| July | 75°F | 93°F | 82°F | 6.1" |
| August | 75°F | 93°F | 82°F | 7.2" |
| September | 73°F | 91°F | 80°F | 7.2" |
| October | 66°F | 86°F | 75°F | 2.0" |
| November | 58°F | 80°F | 68°F | 1.3" |
| December | 55°F | 77°F | 65°F | 1.0" |
| Index | Frostproof | Florida | National |
| Air quality index | 36 | 35 | 50 |
| Pollution index | 3,269,270 | 15,391,344 | 5,066,862 |
| Measurement | Total |
| Days measured | 233 |
| Days with good air quality | 224 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Highland Park, FL | 235 | 36 | 28% |
| Lake Wales, FL | 15,206 | 36 | 28% |
| Avon Park, FL | 10,052 | 36 | 28% |
| Hillcrest Heights, FL | 256 | 36 | 28% |
| Wahneta, FL | 4,700 | 36 | 28% |
| Frostproof, FL | 3,100 | 36 | 28% |
| City, State | Population | Air Quality Index | National Avg. |
| Tolono, IL | 3,101 | 42 | 16% |
| Grand Saline, TX | 3,099 | 36 | 28% |
| Delhi, NY | 3,099 | 27 | 46% |
| San Antonio Heights, CA | 3,099 | 89 | 78% |
| Loughman, FL | 3,098 | 39 | 22% |
| Frostproof, FL | 3,100 | 36 | 28% |
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