| 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 | Catalina | Orlando | Florida |
| Air quality index | 39 | 39 | 35 |
| Pollution index | 713,198 | 713,198 | 7,570,785 |
| 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. |
| Longwood, FL | 15,514 | 37 | 26.0% |
| Black Hammock, FL | 1,080 | 37 | 26.0% |
| Zellwood, FL | 2,877 | 37 | 26.0% |
| Wekiwa Springs, FL | 24,008 | 37 | 26.0% |
| Oviedo, FL | 41,062 | 37 | 26.0% |
| Orlando, FL | 284,817 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Lincoln, NE | 286,388 | 31 | 38.0% |
| Newark, NJ | 281,917 | 51 | 2.0% |
| Saskatoon, SK | 281,340 | n/a | |
| Plano, TX | 288,870 | 51 | 2.0% |
| Anchorage, AK | 292,090 | 31 | 38.0% |
| Orlando, FL | 284,817 | 39 | 22.0% |
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