UV Index in Nogales, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Nogales, United States, where the sun shines intensely throughout the year. With high UV levels peaking during midday, awareness of UV exposure can help prevent sunburn and promote overall skin health. The BSk climate in Nogales brings dry and sunny conditions, leading to increased risks of UV damage. The UV Index often reaches extreme levels, with a peak of 13 around noon, making it essential to stay informed and protect your skin while enjoying the great outdoors.

Hourly UV Index in Nogales

At dawn, the UV Index starts off low, peaking at 1 at 07:00. As the morning unfolds, a noticeable increase is seen, reaching 3 by 08:00 and escalating further to 6 at 09:00. However, the sun truly makes its mark by 10:00, soaring to a maximum of 11 at 11:00 and peaking at a striking 13 by 12:00—a prime time to seek shade and apply sunscreen. As the afternoon progresses, the intensity starts to wane, dropping to 12 at 13:00, and gradually declining to 10 by 14:00. The UV Index continues its downward trend, reaching 7 at 15:00, 5 at 16:00, and finally settling back to 1 by 18:00 and 19:00. It’s a clear demonstration of how midday sun can be both powerful and potentially harmful.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Nogales

The UV Index experiences notable changes throughout the year, with peaks from March to September when the levels reach extreme (10-13), particularly in April and June. The highest risk months are March through September, where the burn time decreases to just 10 minutes during peak exposure. In contrast, January, December, and November present moderate to high exposure levels, allowing for longer burn times of up to 30 minutes. It is crucial for both visitors and residents to remain vigilant during the high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is at its strongest.

Monthly Maximum UV Index for Nogales, United States

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

The table above highlights how UV exposure in Nogales 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.

Nogales'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
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5
Nogales	5	7	10	12	12	13	12	12	11	9	6	5