UV Index in Winnsboro, United States

Last updated: May 3, 2025

Understanding the UV Index in Winnsboro, United States, is essential for protecting your skin and maintaining overall health. With the potential for harmful UV radiation peaking around noon, when the index can reach as high as 12, awareness becomes crucial for preventing sunburn and long-term skin damage. The humid subtropical climate of Winnsboro means residents and visitors face significant UV exposure, especially during the summer months. By keeping an eye on the UV Index, you can make informed decisions about sun protection, ensuring that your time outdoors is both enjoyable and safe.

Hourly UV Index in Winnsboro

As the sun rises, the UV Index begins its ascent, starting from a gentle 1 at 07:00. By 09:00, it hits 4, signaling a moderate increase. The real ascent occurs from 10:00 onward, peaking at an intense 12 by 13:00, where sun protection becomes essential. This peak is followed by a brief dip, as the index drops to 9 at 15:00, before tapering off towards the evening. As the day comes to a close, UV levels reduce to 3 at 17:00 and settle back to 1 by 19:00, highlighting the critical hours for sun exposure between 11:00 and 14:00. Stay safe and protect your skin during those peak UV times!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Winnsboro

Throughout the year, UV exposure varies significantly, with high-risk months occurring from March to August. During this period, the UV Index reaches extreme levels of 11 to 12, necessitating vigilant sun protection measures, as burn times drop to just 10 minutes. April and June stand out as peak months for UV intensity. In contrast, January and December present moderate UV conditions, allowing for longer exposure times of 30 minutes. To ensure safety, visitors and residents are advised to seek shade, wear protective clothing, and apply broad-spectrum sunscreen, especially during the high-risk months, when the sun's rays are the strongest.

Monthly Maximum UV Index for Winnsboro, United States

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

The table above highlights how UV exposure in Winnsboro 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.

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