As of 11:24 AM EDT on July 29, 2026, out of 13 cities in Monroe County, FL in our database, 12 cities (92%) have a UV Index reading of High, while 1 city (8%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is North Key Largo, FL with a reading of 7.6.
Over the next 24 hours, the highest UV Index reading in Monroe County, FL is expected to be 11.7 in North Key Largo between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |