UV Index
UV Index
Today's UV index in Carbondale, United States 
will be up to 8.2, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-07-18
With a UV index of 8.2 in Carbondale, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Carbondale, United States, varies throughout the year, typically ranging from low in winter months to moderate or high during summer, peaking around midday during clear, sunny days.
Carbondale experiences four distinct seasons: cold, snowy winters; warm, humid summers; mild springs; and cool, crisp autumns. Snowfall commonly occurs in winter, while summer brings thunderstorms and occasional heatwaves.
Compared to other parts of Illinois and the Midwest, Carbondale has a similar climate with colder winters and warm summers. Neighboring states like Missouri and Kentucky share comparable seasonal weather patterns but may differ slightly in precipitation amounts.
See the UV index hour by hour for Carbondale, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.