UV Index in Cleveland, United States

Last updated: May 3, 2025

Understanding the UV Index in Cleveland, United States is essential for protecting your skin and maintaining your overall health. As UV levels can soar to a maximum of 11 during peak hours, awareness is crucial for preventing sunburn and long-term skin damage. In Cleveland's humid continental climate (Cfa), residents face unique UV exposure risks, especially during the summer months when the sun's rays can be particularly intense. By paying attention to the UV Index, you can make informed decisions about sun protection, ensuring that outdoor activities remain enjoyable and safe.

Hourly UV Index in Cleveland

As the day unfolds, the UV Index ramps up rapidly, starting from a gentle 1 at 7:00 AM and gradually climbing to reach a peak of 11 by 1:00 PM and 2:00 PM. This hour marks the height of sun exposure, where the risk of harm from unprotected sun exposure is significant. After this peak, the index begins to descend, dropping to 9 by 3:00 PM, then tapering off to 6 at 4:00 PM, and finally settling back to a mild 1 by 7:00 PM. For those planning outdoor activities, early afternoon is best approached with caution and protection—a reminder that while the sun can be enjoyable, it demands respect!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Cleveland

The UV Index shows significant seasonal changes, with a notable increase from January to July, peaking at an extreme level of 12 in July. The months of February through August highlight the high-risk periods for sun exposure, particularly in the very high to extreme categories, where burn times decrease significantly to as little as 10 minutes. Effective from May to August, residents and visitors should take precautions, including using sunscreen, wearing protective clothing, and seeking shade, especially during peak hours. As the UV levels drop in September and October, the risk remains high until November, transitioning back to moderate levels by December. Staying informed about these changes is essential for minimizing skin damage and maximizing outdoor enjoyment.

Monthly Maximum UV Index for Cleveland, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cleveland. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Cleveland, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Cleveland UV Index with Other United States Cities

The table above highlights how UV exposure in Cleveland compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Cleveland's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Cleveland	5	8	9	10	11	11	12	11	10	8	6	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5