Dayton UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index2.8
- Avg Clouds70%
- Max Temp11.1 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Dayton, United States 
will reach a high of 2.8 today. This means a low level of sun exposure. See our tips below to stay safe!
Last checked: 2025-11-12
Hourly Forecast Chart
Today's Safety Tips
The sun danger is low (0-2). You can enjoy the outdoors safely! On bright days, sunglasses are a good idea.
Dayton's UV Index
Dayton's UV index varies throughout the year, usually ranging from low in winter months to moderate or high during summer. UV levels peak around midday in the warmer seasons, especially late spring through early fall.
Weather Seasons
Dayton experiences four seasons: cold winters with snow, warm and humid summers, mild springs, and cool autumns. Spring and fall often bring rain, while summer can have thunderstorms. Winter temperatures frequently drop below freezing.
Dayton's Climate
Compared to nearby cities, Dayton has similar weather to other parts of Ohio, with more snow than southern states like Kentucky. It's cooler and wetter than places farther south but less extreme than northern states like Michigan.
Hourly UV Index Trend
See the UV index hour by hour for Dayton. When the level is high, it's smart to find some shade.
- Loading hourly data...