UV Index in Slidell, United States

Last updated: July 2, 2025

In Slidell, Louisiana, staying informed about the UV Index is essential for protecting your skin and overall health. With our subtropical Cfa climate, the sun can be particularly intense, especially during the peak hours from 10 AM to 2 PM, where UV levels can soar to a maximum of 12. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, making it crucial for outdoor enthusiasts and families alike. By being aware of daily UV fluctuations, you can enjoy the beautiful Louisiana sunshine safely!

Hourly UV Index in Slidell

As the sun rises, the UV Index begins its ascent, starting from a gentle 1 at 07:00. By 09:00, it hits 4, signaling a moderate increase. The real ascent occurs from 10:00 onward, peaking at an intense 12 by 13:00, where sun protection becomes essential. This peak is followed by a brief dip, as the index drops to 9 at 15:00, before tapering off towards the evening. As the day comes to a close, UV levels reduce to 3 at 17:00 and settle back to 1 by 19:00, highlighting the critical hours for sun exposure between 11:00 and 14:00. Stay safe and protect your skin during those peak UV times!

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	9	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 Slidell

As the seasons change, so do the UV index levels, significantly impacting sun exposure risks. January starts with a UV Index of 5 (moderate), but by February it spikes to 8 (very high). The high-risk months for UV exposure are primarily March through August, where values reach 9 and maintain a dangerous 11 to 12 (extreme). During these peak months, the burn times drop to as little as 10 minutes, necessitating vigilance. Visitors and residents should take precautionary measures, including wearing sunscreen, protective clothing, and seeking shade during midday hours. As the season transitions into September and October, the UV levels taper off but remain at 10 and 8, making sun safety still essential. By November and December, the levels lessen to 6 and 4 respectively, allowing for more lenient sun exposure but still encouraging protective habits.

Monthly Maximum UV Index for Slidell, United States

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

The table above highlights how UV exposure in Slidell 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.

Slidell'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
Slidell	5	8	9	11	11	12	12	11	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5