UV Index in Sherman, United States

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Sherman, Texas, where the Cfa climate brings both beautiful days and significant sun exposure. Being aware of UV levels can significantly impact your skin health and help prevent painful sunburns. With peak UV radiation levels reaching as high as 11 around noon, it's vital for residents to protect themselves during the sun's most intense hours. By staying informed, you can enjoy the sunny Texan days while keeping your skin safe!

Hourly UV Index in Sherman

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!

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	2	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sherman

Throughout the year, UV Index levels exhibit significant seasonal variations, with high-risk months highlighted between March and August. During this period, the UV Index often reaches very high to extreme levels, particularly in May, June, and July, where it peaks at 11 and suggests a burn time of as little as 10 minutes. Visitors and residents are advised to take precautionary measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours. In contrast, the lower UV levels in January, December, and November present a moderate risk, with recommended exposure times of 30 and 25 minutes. As the year progresses, it’s crucial to stay informed about these UV changes and adjust sun safety practices accordingly.

Monthly Maximum UV Index for Sherman, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sherman. 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 Sherman, 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 Sherman UV Index with Other United States Cities

The table above highlights how UV exposure in Sherman 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.

Sherman'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
Sherman	4	7	8	10	11	11	11	10	9	7	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5