UV Index in Arlington, United States

Last updated: July 2, 2025

In Arlington, United States, staying informed about the UV Index is essential for protecting your skin and overall health. With UV levels peaking at 11 during midday hours, understanding these risks is crucial in preventing sunburn and long-term skin damage. The Cfa climate here brings warm summers and moderate sunshine, making it vital for residents to be aware of daily UV fluctuations. By monitoring the UV Index, you can enjoy outdoor activities while safeguarding your skin from harmful rays.

Hourly UV Index in Arlington

Today's UV Index presents a dynamic landscape of sun exposure. The day begins with a mild index of 1 at 7:00 AM and 8:00 AM, ideal for enjoying a morning stroll. As the sun ascends, we hit 2 by 9:00 AM, before a significant leap to 5 at 10:00 AM. The intensity peaks dramatically at 12:00 PM, marked with a dazzling 10, then soars to an impressive 11 from 1:00 PM to 2:00 PM. As we transition into the afternoon, a gradual decline ensues, dropping to 8 at 4:00 PM, followed by 5 at 5:00 PM, then a gentle descent to 3 by 6:00 PM. The evening settles back to a 1 by 7:00 PM. Stay sun safe! Remember to protect your skin during the peak hours of UV exposure!

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	2	low	45 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	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 Arlington

Throughout the year, UV Index levels fluctuate significantly, with the highest risk observed during the spring and summer months. From February to August, the UV Index remains at a very high to extreme level, peaking at 11 in May, June, July, and August, where the burn time is as short as 10 minutes. Visitors and residents are advised to take extra precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during midday hours. In contrast, January and December experience moderate UV levels, allowing for longer exposure times of 30 minutes before burning. As the UV levels decline entering the fall months, particularly in November with a high index of 6 (burn time of 25 minutes), it is still prudent to remain vigilant against UV exposure.

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