UV index in Bay Harbor today
Bay Harbor is an inland Florida suburb at 30.1°S. Typical summer peaks of 10–12 (very high to extreme) arrive whether the day feels scorching or merely mild. This is warm-temperate America: a long protection season from spring through fall, with clear winter days that can still burn.
Live reading · data by Open-Meteo · reference monitoring by ARPANSA
Today and tomorrow in Bay Harbor
Peak UV, temperature and conditions for Bay Harbor. Tomorrow’s peak is the number to plan around if you’re heading out in the middle of the day.
Weather conditions right now
Cloud and rain cut heat more than they cut UV. A partly cloudy day in Bay Harbor can still sit at protection levels. Why you burn on cloudy days.
When Bay Harbor needs sun protection
Sun protection is needed in Bay Harbor typically from April through October, and any other day UV reaches 3. Inland heat or a cool change does not change the UV index; go by the number, not how the day feels.
The threshold, per SunSmart and ARPANSA: whenever UV reaches 3 or above, Slip on covering clothing, Slop on SPF 50+ sunscreen, Slap on a hat, Seek shade and Slide on sunglasses. Read the full sun safety guide.
The UV scale at a glance
- 0–2Low
- 3–5Moderate
- 6–7High
- 8–10Very high
- 11+Extreme
Frequently asked questions
- When does Bay Harbor need sun protection?
- Whenever the UV index is 3 or above. In Bay Harbor that is typically from April through October, and any other day UV reaches 3. The EPA Sun Safety action steps apply at the same threshold used worldwide.
- Does Bay Harbor need sun protection in winter?
- Not every day. Midwinter middays in Bay Harbor often sit below UV 3, but clear late-winter and early-spring days cross the threshold before summer fully arrives. Check the live index.
- Can you burn on a cool day in Bay Harbor?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Bay Harbor can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.