UV Index in Greenwood, United States

Last updated: June 2, 2025

Understanding the UV Index in Greenwood, United States is essential for safeguarding your skin health and preventing sunburn. As a region characterized by a humid subtropical climate (Cfa), Greenwood experiences significant UV exposure, especially during peak midday hours when the index reaches values like 11 at noon. With proper awareness of UV levels, residents and visitors can take proactive measures to protect themselves from harmful rays, ensuring safer outdoor activities and long-term skin health. Knowing when to seek shade and wear protective clothing can make all the difference in enjoying the sun responsibly.

Hourly UV Index in Greenwood

As the day unfolds, the UV Index reveals its dynamic character, starting gently at 1 by 7:00 AM. By 9:00 AM, it climbs to 4, signaling the need for some sun protection. The sun’s intensity peaks at 12:00 PM and 1:00 PM, hitting a striking maximum of 11, marking a time when precautions become crucial. Following this midday surge, the index gradually descends, dropping to 5 by 4:00 PM and tapering to 1 by 7:00 PM. This pattern highlights the importance of being sun-smart during peak hours, especially when the UV levels are at their highest!

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	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Greenwood

Throughout the year, UV levels fluctuate, with high-risk months primarily falling between February and August. Notably, April to July feature an extreme UV Index of 11 to 12, necessitating precautions to limit sun exposure to just 10 minutes during peak hours. February and March present significant risks as well, with very high UV levels of 8 and 9, leading to burn times of only 15 minutes. To safeguard your skin, residents and visitors are advised to minimize exposure during peak sun hours, wear protective clothing, and use broad-spectrum sunscreen. As the year progresses, November and December offer lower UV levels, classified as high and moderate, respectively, allowing for longer safe exposure times of 25 to 30 minutes.

Monthly Maximum UV Index for Greenwood, United States

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

The table above highlights how UV exposure in Greenwood 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.

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