| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 55°F | 75°F | 65°F | 1.7" |
| February | 51°F | 75°F | 63°F | 2.4" |
| March | 58°F | 78°F | 68°F | 5.3" |
| April | 58°F | 81°F | 70°F | 8.9" |
| May | 67°F | 84°F | 76°F | 6.5" |
| June | 72°F | 87°F | 79°F | 10.4" |
| July | 74°F | 90°F | 82°F | 11.4" |
| August | 74°F | 91°F | 82°F | 5.5" |
| September | 73°F | 88°F | 80°F | 5.3" |
| October | 72°F | 85°F | 78°F | 8.0" |
| November | 62°F | 79°F | 70°F | 6.0" |
| December | 56°F | 76°F | 66°F | 7.8" |
| Index | Rio | Florida | National |
| Air quality index | 36 | 35 | 42 |
| Pollution index | 30,648,300 | 7,570,785 | 2,726,193 |
| Measurement | Total |
| Days measured | 353 |
| Days with good air quality | 324 |
| Days with moderate air quality | 29 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.370% |
| Carbon Tetrachloride | 0.080% |
| Lead | 0.150% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Hutchinson Island South, FL | 5,025 | 36 | 28.0% |
| Ocean Breeze Park, FL | 214 | 36 | 28.0% |
| River Park, FL | 7,139 | 36 | 28.0% |
| Fort Pierce South, FL | 4,468 | 36 | 28.0% |
| Indian River Estates, FL | 6,542 | 36 | 28.0% |
| Rio, FL | 705 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Kasilof, AK | 705 | 31 | 38.0% |
| Cactus Forest, AZ | 705 | 47 | 6.0% |
| Poulan, GA | 705 | 40 | 20.0% |
| Dawson, IL | 705 | 40 | 20.0% |
| Avoca, IN | 705 | 42 | 16.0% |
| Rio, FL | 705 | 36 | 28.0% |
Here are the best places to live in Florida
Check out the 10 most dangerous cities in Florida
Most Dangerous States In The US
These are the largest cities in Florida