UV Index
UV Index
Today's UV index in Iowa City, United States 
will be up to 8.9, 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: 2025-07-14
With a UV index of 8.9 in Iowa City, 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.
Iowa City has a UV index that varies throughout the year, usually low in winter and spring, rising to moderate or high levels during summer months, especially in June and July.
Seasons in Iowa City include cold, snowy winters; warm, humid summers; and mild, pleasant springs and autumns. Spring and fall have moderate temperatures, while winter often brings freezing weather and snow.
Compared to the wider Midwest, Iowa City experiences typical continental weather with hotter summers and colder winters than coastal areas. It sees more snow than southern states but less than northern regions like Minnesota. Neighboring states have similar seasonal patterns.
See the UV index hour by hour for Iowa City, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.