UV Index in New Orleans, United States

Last updated: May 3, 2025

In New Orleans, United States, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps in preventing painful sunburns and reducing the risk of long-term skin damage. With its warm Cfa climate, New Orleans experiences elevated UV exposure, particularly during midday hours when indices can soar above 10. It's essential to stay informed about daily UV levels to enjoy the vibrant outdoor lifestyle of the Crescent City while safeguarding your skin from harmful rays.

Hourly UV Index in New Orleans

As the sun rises, the UV Index begins its dramatic ascent, starting at a mild 1 at 07:00 and gradually increasing throughout the morning. By 09:00, it reaches a more noticeable 4, and at 10:00, it hits 6. The real intensity arrives at 12:00, peaking at a scorching 11, followed closely by 12 at 13:00, making noon the most critical time for sun safety. As afternoon slips into evening, the index steadily declines, showcasing 11 at 14:00, before tapering off to 3 by 17:00 and returning to a safe 1 by 18:00. From morning’s cautious rays to the afternoon's blazing sun, this day exemplifies the need for sun protection during its peak hours!

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:004moderate30 min
10:006high25 min
11:009very high15 min
12:0011extreme10 min
13:0012extreme10 min
14:0011extreme10 min
15:008very high15 min
16:006high25 min
17:003moderate30 min
18:001low45 min
19:001low45 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111211121110965
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
New Orleans589111112121110965
Houston UVI589111112121110975