UV Index
Jacksonville UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.5
- Avg Clouds51%
- Max Temp26.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Jacksonville, United States 
will reach a high of 5.5 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-10-25
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
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.
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