UV Index in Arco, United States

Last updated: June 2, 2025

In Arco, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. As a city located in the BSk climate zone, residents and visitors alike experience unique exposure to UV rays, especially during peak hours when the index can reach a maximum of 11 around midday. Understanding these UV levels empowers individuals to take necessary precautions, protecting themselves from the harmful effects of the sun while enjoying the beautiful outdoor activities that Arco has to offer. Stay informed, stay safe, and embrace the sunshine wisely!

Hourly UV Index in Arco

As the sun rises, the UV Index begins its ascent, starting at a mild 1 by 7:00 AM. By 9:00 AM, it climbs to 3, suggesting a need for some sun protection. The midday sun peaks at 12:00 PM with a striking 10—definitely a time for caution! The highest UV exposure occurs between 1:00 PM and 2:00 PM, reaching a formidable 11, signaling the most intense rays of the day. As the afternoon wanes, the index gradually dips, dropping to 7 by 4:00 PM and further diminishing to a safe 2 by the evening hours, making those later activities in the sun significantly less harmful. Plan your day with these UV levels in mind for optimal sun safety!

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	5	moderate	30 min
11:00	8	very high	15 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	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Arco

Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from March to September. During these months, particularly in April through July, the UV index reaches notably high levels, peaking at 11, which indicates extreme exposure risks and a quick burn time of just 10 minutes. As the seasons shift, visitors and residents should be particularly vigilant from May to August, when protective measures such as sunscreen, hats, and seeking shade are essential to prevent skin damage. In contrast, January, November, and December present a moderate UV index of 3-4, allowing for longer burn times of 30 minutes, though sunscreen should still be applied. Staying informed about these UV changes can help ensure safe outdoor activities year-round.

Monthly Maximum UV Index for Arco, United States

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

The table above highlights how UV exposure in Arco 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.

Arco'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
Arco	3	5	7	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