UV Index in Spartanburg, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Spartanburg, South Carolina, where the combination of warm climate and sunny days can lead to significant sun exposure. Awareness of UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. With the UV Index in Spartanburg typically peaking at 11 during the height of the day, it's essential to stay informed about these levels to mitigate risks, especially during the summer months when UV radiation intensifies. Protect yourself and your loved ones by learning more about the daily UV Index and the best practices for safe sun exposure.

Hourly UV Index in Spartanburg

The UV Index undergoes a dramatic rise throughout the day, starting from a gentle 1 at 07:00 and gradually climbing to a peak of 11 by 13:00. As the sun reaches its zenith, UV exposure intensifies, with values soaring to 9 at noon and tapering off through the afternoon. By 15:00, the index begins to decline, slipping back to 6 by 16:00, and down to a safe 1 by 19:00. This data highlights the importance of sun protection during peak hours, especially between 10:00 and 15:00, when the UV Index is at its most potent.

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	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 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 Spartanburg

Throughout the year, UV index values fluctuate significantly, with peaks during the summer months. From January to March, the UV index rises from a moderate level of 4 to a very high 8, indicating an increasing risk for skin damage. The high-risk months are clearly identified as May through July, with an extreme index of 11, where the burn time shortens to just 10 minutes. This intensity decreases slightly in August and September but remains very high at 10 and 9, respectively. As the year closes, UV levels drop back to moderate levels by December. Visitors and residents should take precautions during the high-risk months by using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Spartanburg, United States

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

The table above highlights how UV exposure in Spartanburg 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.

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