UV Index in Baton Rouge, United States

Last updated: May 3, 2025

In Baton Rouge, understanding the UV Index is crucial for protecting your skin from the sun's harmful rays. With peak UV levels often soaring to 11 and 12 during the midday hours, awareness of these readings helps residents and visitors alike to prevent sunburn and maintain long-term skin health. The city's humid subtropical climate means that while you enjoy outdoor activities, you also face increased risks of UV exposure throughout the year. By staying informed about the UV Index, you can make smarter choices to enjoy Baton Rouge's sunny days while keeping your skin safe.

Hourly UV Index in Baton Rouge

As the sun rises today, the UV Index gradually climbs from a peaceful 1 at 07:00 to a peak intensity of 12 at 13:00. The morning hours see mild levels, with a gentle increase to 4 by 09:00 and reaching 6 by 10:00. However, as noon approaches, the UV radiation becomes increasingly intense, hitting 9 at 11:00 and soaring to its maximum of 11 at 12:00. The afternoon then witnesses a slight decrease, with values dropping to 8 at 15:00 before continuing to decline into the evening, finally settling back to 2 by 19:00. With such a sharp midday peak, it’s crucial to take precautions and protect your skin during those sunlit 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.
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	12	extreme	10 min
14:00	11	extreme	10 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 Baton Rouge

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 Baton Rouge, United States

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

The table above highlights how UV exposure in Baton Rouge 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.

Baton Rouge'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
Baton Rouge	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