UV Index in Clarks, United States

Last updated: July 2, 2025

In Clarks, United States, understanding the UV Index is crucial for maintaining skin health and preventing sunburn, especially with the region's humid subtropical climate (Cfa) that can elevate UV exposure throughout the year. During peak hours, UV levels can soar to a maximum of 12, indicating a high risk for harm without proper protection. By staying informed about daily UV levels, residents can take proactive measures to safeguard their skin from damaging rays, ensuring a healthier and more comfortable outdoor experience. Being aware of the UV Index not only helps in preventing immediate sunburn but also contributes to long-term skin health, making it an essential part of daily life in Clarks.

Hourly UV Index in Clarks

As the sun rises, the UV Index gradually escalates, starting from a gentle 1 at 7:00 AM. By 9:00 AM, it reaches a moderate 3, hinting at the day's potential. The intensity peaks at 12:00 PM, where the index soars to a striking 11, indicating high risk for harm from unprotected sun exposure. Though it dips slightly to 9 by 3:00 PM, the UV levels remain significant. As the afternoon fades, the index gradually decreases to 2 by 6:00 PM, and finally settles back to a mild 1 as day turns to dusk at 7:00 PM. It’s crucial to stay vigilant—during peak hours, particularly between 11:00 AM and 1:00 PM, appropriate sun protection is essential to safeguard against harmful UV radiation.

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	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	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 Clarks

Throughout the year, UV radiation levels vary significantly, with the highest risk months being March through August. During this period, the UV Index reaches extreme levels, peaking at 12 in June and July, where the recommended burn time is as little as 10 minutes. Visitors and residents should exercise caution and take protective measures, such as wearing sunscreen, hats, and UV-protective clothing, especially in late spring and summer. Conversely, the winter months of January and December present a lower risk with a moderate UV Index of 4 and a longer burn time of 30 minutes. However, it's imperative to remain vigilant year-round, as even moderate levels can contribute to skin damage over time.

Monthly Maximum UV Index for Clarks, United States

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

The table above highlights how UV exposure in Clarks 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.

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