UV Index in Concord, United States

Last updated: May 3, 2025

In Concord, United States, being aware of the UV Index is crucial for ensuring your skin's health and preventing painful sunburns. Understanding UV levels helps you make informed decisions about outdoor activities, especially during peak hours when exposure is highest. With a Csb climate that can bring about significant UV exposure risks, particularly around midday when the index can reach a maximum of 10, knowing when to seek shade or apply sunscreen is essential. Stay informed and enjoy the sun safely!

Hourly UV Index in Concord

As the day unfolds, the UV Index begins its ascent, starting at a modest 1 at 07:00. By 09:00, it reaches a playful 3, but things heat up by 10:00 as it jumps to 6. The peak occurs between 12:00 and 14:00, when the index skyrockets to a blistering 10, signaling it's time to seek shade or don sunscreen! Following this peak, the intensity begins to wane, dropping to 8 by 15:00 and gracefully declining to 2 by 18:00. As the sun sets, the UV Index gently returns to 1 by 19:00, wrapping up the day with a sigh of relief. Stay safe and be SunSmart! ☀️

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	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 Concord

The UV Index exhibits significant seasonal variation, peaking during the summer months and dramatically declining in winter. From January to February, the UV Index ranges from 3 to 5, classified as moderate, allowing for around 30 minutes of safe sun exposure. However, March to June sees a sharp increase, reaching an extreme level of 11 in both June and July, where unprotected skin can burn in just 10 minutes. The high-risk months for UV exposure are therefore March through August, where the index remains predominantly high to extreme. As a result, it is crucial for visitors and residents to take protective measures during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. From September to December, while the UV Index decreases, users should still remain vigilant, as moderate levels persist late in the year.

Monthly Maximum UV Index for Concord, United States

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

The table above highlights how UV exposure in Concord 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.

Concord'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
Concord	3	5	8	9	10	11	11	10	9	6	4	3
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