| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 65°F | 77°F | 71°F | 2.2" |
| February | 64°F | 77°F | 70°F | 4.1" |
| March | 68°F | 80°F | 74°F | 4.1" |
| April | 70°F | 82°F | 76°F | 5.9" |
| May | 75°F | 86°F | 80°F | 5.5" |
| June | 77°F | 89°F | 82°F | 10.3" |
| July | 80°F | 91°F | 85°F | 7.7" |
| August | 79°F | 91°F | 85°F | 10.4" |
| September | 78°F | 90°F | 84°F | 9.6" |
| October | 78°F | 87°F | 82°F | 5.1" |
| November | 71°F | 82°F | 76°F | 0.7" |
| December | 68°F | 80°F | 73°F | 2.0" |
| Index | Islamorada, Village of Islands | Florida | National |
| Air quality index | 41 | 35 | 50 |
| Pollution index | 43,296,200 | 15,391,344 | 5,066,862 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 284 |
| Days with moderate air quality | 77 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.060% |
| Benzene | 0.510% |
| Carbon Tetrachloride | 0.150% |
| Lead | 0.330% |
| Mercury | 0.090% |
| City, State | Population | Air Quality Index | National Avg. |
| Key Largo, FL | 10,024 | 41 | 18% |
| Layton, FL | 111 | 41 | 18% |
| Tavernier, FL | 2,182 | 41 | 18% |
| Islamorada, Village of Islands, FL | 6,481 | 41 | 18% |
| City, State | Population | Air Quality Index | National Avg. |
| Douglas, WY | 6,478 | 42 | 16% |
| Stevensville, MD | 6,485 | 46 | 8% |
| Plattsmouth, NE | 6,476 | 40 | 20% |
| North Bend, WA | 6,475 | 45 | 10% |
| Forest Hills, PA | 6,475 | 56 | 12% |
| Islamorada, Village of Islands, FL | 6,481 | 41 | 18% |
Here are the best places to live in Florida
See the best places to live in & around Islamorada, Village of Islands
10 Best cities in Florida for employment
10 best cities to buy a new house in Florida