UV Index in The Hills, United States

Last updated: May 3, 2025

In The Hills, United States, staying informed about the UV Index is essential for protecting your skin and overall health. With high UV levels — peaking at a significant 12 around midday — understanding the risks associated with sun exposure can help prevent painful sunburns and reduce the long-term effects on skin health. Given The Hills' Cfa climate, characterized by warm summers and ample sunshine, residents and visitors alike should be vigilant about their sun safety practices. By tracking UV levels throughout the day, you can enjoy the outdoors while keeping your skin safe from harmful rays.

Hourly UV Index in The Hills

The day begins gently with a UV Index of 1 at both 07:00 and 08:00, indicating minimal sun exposure. However, as the clock strikes 09:00, the index rises to 3, signifying a gradual increase in UV intensity. By 10:00, it reaches 5, and the sun takes center stage at 11:00 with a striking 8. The peak arrives at 12:00, soaring to an impressive 10, and continues to climb, hitting its pinnacle with a dazzling 12 at 13:00. As the afternoon unfolds, values begin a slow descent: 11 at 14:00, 10 at 15:00, and then dropping to 7 by 16:00. The evening brings relief, with the index tapering down to 4 at 17:00, 2 at 18:00, and finally returning to a safe 1 by 19:00. Remember 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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	7	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 The Hills

The UV Index experiences significant seasonal fluctuations, with the highest risks occurring from March to September. During these months, particularly in April through August, the UV Index reaches extreme levels of 11 to 12, resulting in a minimal safe exposure time of just 10 minutes before the risk of sunburn increases dramatically. January and December present lower UV indices of 5 and 4, respectively, classified as moderate, allowing for longer exposure times of 30 minutes. Visitors and residents should prioritize sun safety during the high-risk months by wearing sunscreen, seeking shade, and wearing protective clothing, particularly between 10 AM and 4 PM, when UV rays are most intense.

Monthly Maximum UV Index for The Hills, United States

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

The table above highlights how UV exposure in The Hills 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.

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