UV Index in Wilmington, United States

Last updated: June 2, 2025

In Wilmington, United States, staying aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels helps prevent sunburn and long-term skin damage, promoting overall skin health. Wilmington's climate, characterized by warm summers and ample sunshine, means that residents face increased UV exposure, particularly during peak hours when the index can reach a high of 10 around midday. By keeping an eye on the UV Index, you can enjoy the outdoors safely while safeguarding your skin from potential harm.

Hourly UV Index in Wilmington

Today’s UV Index tells a compelling story of sun intensity throughout the day. Starting with a gentle maximum of 1 at 7:00 AM, the index gradually climbs, reaching 2 by 8:00 AM and 4 by 9:00 AM. As the sun rises higher, the UV exposure spikes, peaking at a notable 10 from 12:00 PM to 2:00 PM—a time when sun protection is essential. After this zenith, the UV Index drops to 8 at 3:00 PM, then tapering off to 5 by 4:00 PM. As the day winds down, the values decrease steadily, concluding with a 1 at 7:00 PM. A day punctuated by this UV rhythm reminds us to stay protected during those peak hours!

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	9	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	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Wilmington

Throughout the year, the UV Index experiences notable fluctuations, with the highest risk months occurring from March to September, when the index consistently ranges between 6 and 10. Specifically, April to August feature very high levels, with peak values reaching 10 in June and July, corresponding to a dangerously short burn time of 15 minutes. In contrast, January and December present lower UV risks, categorized as moderate to low, with corresponding burn times of 30 minutes and 45 minutes, respectively. To safeguard your skin, it is crucial for visitors and residents to adopt protective measures, especially during the peak months by using sunscreen, wearing protective clothing, and seeking shade during midday hours to reduce UV exposure effectively.

Monthly Maximum UV Index for Wilmington, United States

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

The table above highlights how UV exposure in Wilmington 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.

Wilmington'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
Wilmington	3	5	6	8	9	10	10	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5