UV Index in Oakley, United States

Last updated: July 2, 2025

In Oakley, United States, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels empowers residents to take proactive measures against sunburn and long-term skin damage, especially when the sun’s intensity peaks during the midday hours. With a Dfb climate that features warm summers, Oakley experiences varied UV exposure risks throughout the day—often reaching a maximum UV Index of 12 around noon. By staying informed about UV levels, you can enjoy the sunshine safely while safeguarding your skin's health.

Hourly UV Index in Oakley

The UV Index for today reveals a dramatic rise in intensity as the day unfolds. Starting at a mild 1 at 7:00 AM, it slowly climbs to 2 by 8:00 AM, before escalating to 6 by 10:00 AM. The peak intensity hits a striking 12 at both 1:00 PM and 2:00 PM, signaling the highest risk for UV exposure. As the afternoon wanes, the index gradually declines, dropping to 10 by 3:00 PM, and further decreasing to 5 at 5:00 PM. By 7:00 PM, the UV Index retreats back to a safe 1, marking the end of a sun-drenched day. 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	2	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	12	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Oakley

Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels typically occurring from April to August. During this period, the UV Index peaks at 12, indicating an extreme risk of harm from unprotected sun exposure, with a critical burn time of only 10 minutes. Consequently, March and September also represent high-risk months, with UV Index readings of 8 and 10, respectively, necessitating increased caution. As such, visitors and residents should prioritize sun protection strategies during these months—such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Conversely, the winter months, particularly January, November, and December, feature lower UV levels categorized as moderate, allowing for relatively safer sun exposure, albeit still with care.

Monthly Maximum UV Index for Oakley, United States

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

The table above highlights how UV exposure in Oakley 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.

Oakley'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
Oakley	4	6	8	11	12	12	12	11	10	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5