UV Index in Arlington, United States

Last updated: July 2, 2025

Understanding the UV Index in Arlington, United States, is crucial for protecting your skin from harmful UV radiation. With the potential for sunburn and long-term skin damage, being aware of UV levels helps you make informed decisions about sun exposure. Arlington's humid subtropical climate (Cfa) often brings high UV exposure, especially during peak hours from 10 AM to 2 PM, when the index can reach dangerously high levels of 10. By keeping an eye on the UV Index, you can enjoy the outdoors while safeguarding your skin health. Stay informed, stay protected!

Hourly UV Index in Arlington

The UV Index chart reveals a dynamic daily pattern of solar intensity. Starting early in the day, the UV Index remains low, peaking at 1 by 08:00. However, as the sun reaches its zenith, the index surges dramatically—hitting 7 by 11:00 and soaring to a maximum of 10 between 13:00 and 14:00. This signals a critical window for sun exposure, where protection is essential. As the afternoon progresses, the UV levels begin to decline, dropping to 4 by 17:00, before tapering off to 1 again by evening. To stay safe, it's vital to be cautious 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	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 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 Arlington

As the seasons change, so do the UV Index levels, with significant increases noted from February through October. The high-risk months for UV exposure are March to October, where the index reaches peaks of 10 to 11, indicating very high to extreme exposure levels with minimal burn times of just 10 to 15 minutes. Visitors and residents are advised to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. In contrast, January, November, and December exhibit moderate UV levels, allowing for longer exposure times of up to 30 minutes; however, it's still advisable to remain cautious. Engaging in outdoor activities requires vigilance year-round, particularly during the high UV months, to protect skin health effectively.

Monthly Maximum UV Index for Arlington, United States

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

The table above highlights how UV exposure in Arlington 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.

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