UV Index in New Orleans, United States

Last updated: June 2, 2025

Understanding the UV Index in New Orleans is crucial for protecting your skin and overall health. With the city's warm, humid climate (classified as Cfa), residents and visitors alike are at an increased risk for sunburn, premature aging, and even skin cancer due to high UV exposure. The UV levels here can peak at a staggering 11 during midday hours, so being aware of the UV Index helps you take necessary precautions, such as applying sunscreen or seeking shade. Don't let New Orleans' vibrant sun catch you off guard—stay informed and enjoy the beauty of this lively city safely!

Hourly UV Index in New Orleans

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!

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	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in New Orleans

Throughout the year, UV Index levels exhibit notable seasonal changes, peaking during the summer months. High-risk months for sun exposure occur from February to August, where UV Index levels reach very high to extreme values, particularly in April, May, June, and July, with indexes of 11 to 12 and a burn time as short as 10 minutes. Residents and visitors should exercise caution during these months by seeking shade, wearing protective clothing, and applying sunscreen frequently. As we transition into fall and winter, UV levels gradually decrease, with November and December presenting lower risk (UV Index of 6 and 5, respectively), allowing for slightly longer burn times of 25 to 30 minutes. Nevertheless, awareness remains crucial year-round, as moderate UV exposure can still cause adverse effects.

Monthly Maximum UV Index for New Orleans, United States

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

The table above highlights how UV exposure in New Orleans 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.

New Orleans'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
New Orleans	5	8	9	11	11	12	12	11	10	9	6	5
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5