UV Index in Las Cruces, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Las Cruces, New Mexico, where the desert climate brings high levels of sun exposure. With peak UV levels reaching upwards of 12, awareness of the UV Index can help prevent sunburn and promote better skin health. As the sun shines brightly in this BWk climate zone, knowing when to seek shade or apply sunscreen is essential in safeguarding against harmful UV rays that can impact your well-being. Stay informed and enjoy the sun responsibly!

Hourly UV Index in Las Cruces

Today's UV Index showcases a notable rise in intensity, peaking at 12 between 12:00 PM and 2:00 PM, a level that emphasizes the need for sun protection. Early risers will find a gentle start, with values of just 1 at 7:00 AM and gradually increasing to 9 by 11:00 AM. As the sun reaches its zenith, the relentless rays command attention, making 11:00 AM to 3:00 PM the prime time for caution. The index begins to taper off in the afternoon, dropping to 7 by 4:00 PM and further down to 1 by 7:00 PM, signaling a safe window for outdoor activities as evening approaches. Stay safe and enjoy the sun!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	10	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 Las Cruces

Throughout the year, UV radiation levels fluctuate significantly, with the highest risk occurring between March and September. During this period, the UV Index reaches extreme levels, peaking at 13 in June, where the recommended burn time is just 10 minutes. April, May, July, August, and September also maintain extreme ratings, advising caution and proactive sun protection strategies. February and October present high to very high UV conditions, with slightly longer burn times of 25 and 15 minutes, respectively. January and December see a reduction to moderate UV levels, allowing for a more relaxed approach to sun exposure. Visitors and residents should stay vigilant, applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours, particularly from March through September.

Monthly Maximum UV Index for Las Cruces, United States

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

The table above highlights how UV exposure in Las Cruces 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.

Las Cruces'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
Las Cruces	5	7	10	12	12	13	12	12	11	8	6	5