UV Index in Webb, United States

Last updated: June 2, 2025

In Webb, United States, being aware of the UV Index is crucial for protecting yourself against harmful ultraviolet radiation. Understanding UV levels can significantly reduce your risk of sunburn and long-term skin health issues, particularly during the peak hours when the UV Index climbs to 11 at noon and early afternoon. With Webb's temperate Cfa climate, residents and visitors face unique exposure risks, especially during sunny days. Staying informed about the UV Index can help safeguard your skin and enjoy the beautiful outdoors safely.

Hourly UV Index in Webb

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day 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	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	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 Webb

Throughout the year, UV exposure varies significantly, with high-risk months emerging primarily from March to August. Notably, May to July sees peak UV Index values of 11 to 12, categorized as extreme, necessitating vigilant sun protection measures. For instance, during these months, the burn time can be as short as 10 minutes, making it crucial for visitors and residents to adopt effective sun safety practices, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours. Conversely, in the months of January, February, November, and December, while the UV Index remains at a moderate to high level, the burn time increases to 25-30 minutes, allowing for slightly more leniency but still requiring precaution. Overall, awareness of these seasonal changes can enhance sun safety and minimize the risk of skin damage.

Monthly Maximum UV Index for Webb, United States

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

The table above highlights how UV exposure in Webb 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.

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