| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 51°F | 73°F | 61°F | 3.0" |
| February | 53°F | 75°F | 63°F | 2.1" |
| March | 57°F | 79°F | 67°F | 2.7" |
| April | 63°F | 85°F | 73°F | 2.8" |
| May | 68°F | 89°F | 77°F | 4.2" |
| June | 73°F | 91°F | 80°F | 8.7" |
| July | 75°F | 92°F | 82°F | 8.2" |
| August | 76°F | 92°F | 82°F | 7.1" |
| September | 74°F | 90°F | 80°F | 7.4" |
| October | 68°F | 85°F | 75°F | 3.5" |
| November | 59°F | 79°F | 68°F | 1.3" |
| December | 55°F | 76°F | 64°F | 1.7" |
| Index | Windermere | Florida | National |
| Air quality index | 39 | 35 | 42 |
| Pollution index | 713,198 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 296 |
| Days with moderate air quality | 63 |
| Days w/ poor A.Q. for sensitive groups | 6 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Winter Springs, FL | 38,040 | 37 | 26.0% |
| Apopka, FL | 54,904 | 37 | 26.0% |
| Longwood, FL | 15,833 | 37 | 26.0% |
| Wekiwa Springs, FL | 24,510 | 37 | 26.0% |
| Altamonte Springs, FL | 45,050 | 39 | 22.0% |
| Windermere, FL | 3,613 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Helena Valley Northeast, MT | 3,613 | 40 | 20.0% |
| Mountain View, HI | 3,612 | 16 | 68.0% |
| Scissors, TX | 3,614 | 42 | 16.0% |
| Bunk Foss, WA | 3,614 | 45 | 10.0% |
| Saint-Adolphe-d'Howard, QC | 3,614 | n/a | |
| Windermere, FL | 3,613 | 39 | 22.0% |