UV Index in Orange, United States

Last updated: July 2, 2025

Understanding the UV Index in Orange, United States is crucial for safeguarding your skin and overall health. With UV levels reaching up to 12 during peak hours, awareness can significantly contribute to sunburn prevention and long-term skin health. This local climate, typical of a Cfa zone, offers ample sunshine, which can lead to increased risks of UV exposure. Knowing when to seek shade or apply sunscreen is essential for enjoying the great outdoors while keeping your skin protected. Stay informed, stay safe, and embrace the sunshine wisely!

Hourly UV Index in Orange

As the day unfolds, the UV Index reveals a dynamic landscape of sun exposure. Starting with a gentle 1 at 07:00 and 08:00, the intensity begins to rise steadily, peaking at 12 between 13:00 and 14:00—prime time for taking precautions against harmful rays. At 11:00, the index hits 8, indicating a strong need for sun protection. The afternoon sees a slight decline, but still significant levels of 9 at 15:00, before tapering off to 4 by 17:00. As the sun dips lower, the UV Index reduces to a mellow 2 at 18:00, finally settling back at 1 as evening approaches. It's a clear reminder to manage your sun exposure wisely, especially 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	6	high	25 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Orange

Throughout the year, UV levels vary significantly, with the highest risk months occurring from February to August, where the UV Index often reaches extreme levels of 11 or 12. Notably, March through June sees continuous very high to extreme UV exposure, posing a substantial risk for sunburn, with burn times as low as 10 minutes during peak months. Residents and visitors should remain vigilant, especially during these high-risk periods, by seeking shade, wearing protective clothing, and applying sunscreen regularly. Conversely, the UV Index drops to moderate levels in January and December, allowing for safer outdoor activities. Nevertheless, maintaining sun protection practices is advisable year-round to safeguard against skin damage.

Monthly Maximum UV Index for Orange, United States

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

The table above highlights how UV exposure in Orange 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.

Orange'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
Orange	5	8	9	10	11	12	12	11	10	9	7	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5