UV Index in Natchez, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Natchez, United States, where the warm Cfa climate can lead to intense sun exposure, especially during peak hours. With UV levels often reaching a maximum of 12, awareness of these levels is vital for sunburn prevention and maintaining long-term skin health. By keeping an eye on the UV Index, you can protect yourself from harmful rays while enjoying the abundant sunshine Natchez is known for, ensuring every outdoor adventure is both safe and fun.

Hourly UV Index in Natchez

As the sun rises, so does the UV Index, peaking dramatically around noon. At 07:00, the index starts at a mild 1, perfect for early risers. By 08:00, it climbs to 2, prompting a gentle reminder to apply sunscreen. The index rises steadily, hitting 3 at 09:00, and leaping to 6 by 10:00. The real intensity strikes at 11:00, reaching 8, and the zenith is a scorching 11 at 12:00, warning outdoor enthusiasts to take precautions. The intensity remains high with 12 at 13:00, before gradually descending to 11 at 14:00 and 9 by 15:00. As the afternoon winds down, the index drops to 4 at 17:00, and finally back to a modest 1 by 19:00, signaling the end of a sun-soaked day. Always stay informed and protect your skin during peak UV 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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	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	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 Natchez

Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. High-risk months for sun exposure are from March to August, where values reach extreme levels of 11 to 12, necessitating a burn time as low as 10 minutes. Visitors and residents should exercise caution, especially in these months, ensuring they apply sunscreen frequently, seek shade, and wear protective clothing. As the seasons transition, September and October still show elevated levels at 10 and 8, respectively, marking them as considerable months for UV exposure. It’s advised to remain vigilant even in the cooler months; while January and December pose a lower risk with UV Index levels of 5 and 4, adopting sun safety practices year-round is crucial for skin protection.

Monthly Maximum UV Index for Natchez, United States

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

The table above highlights how UV exposure in Natchez 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.

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