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Jacksonville UV Index Today

Day Summary

The UV index in Jacksonville, United States Flag of United States will reach a high of 7.1 today. This means a high level of sun exposure. See our tips below to stay safe!

Last checked: 2025-10-08

Hourly Forecast Chart

Today's Safety Tips

Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.

Jacksonville's UV Index

Jacksonville's UV index varies from low in winter to very high in summer, often reaching 8 or 9 on sunny days, indicating strong sunlight exposure during peak months. The city experiences hot, humid summers with frequent afternoon thunderstorms and mild, drier winters. Compared to other southeastern U.S. cities, Jacksonville has a slightly higher humidity and more sun, but its weather is less extreme than in Florida's southern regions or Gulf Coast areas.

Hourly UV Index Trend

See the UV index hour by hour for Jacksonville. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in Jacksonville is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.