UV Index in Winnsboro, United States

Last updated: July 2, 2025

Understanding the UV Index in Winnsboro, United States is crucial for maintaining skin health and preventing sunburn, especially during the hottest months when UV levels can soar. With peak UV readings reaching a maximum of 12 around midday, residents and visitors alike must be vigilant about sun exposure to safeguard their skin. Winnsboro's Cfa climate brings warm summers and ample sunshine, which significantly elevates the risk of harmful UV radiation. By staying informed about daily UV levels, you can enjoy the outdoors while taking the necessary precautions to protect yourself and your loved ones. Remember, a little awareness goes a long way in preserving your skin's health!

Hourly UV Index in Winnsboro

The UV Index today showcases a striking climb in intensity as the sun rises, starting from a modest 1 at 7:00 AM. As the morning unfolds, the index steadily elevates, reaching 4 by 9:00 AM before peaking at a blistering 12 at 1:00 PM—the most dangerous time for exposure. The afternoon shows a slight decline, with values tapering from 11 at 2:00 PM back down to 1 by 7:00 PM. This fluctuation highlights the importance of being sun-smart, especially during the peak hours when the risk of harmful UV radiation is at its highest. Remember to protect your skin and seek shade if you'll be 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	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	4	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