UV Index in Palmetto, United States

Last updated: June 2, 2025

Understanding the UV Index in Palmetto, United States, is crucial for protecting your skin and overall health. With summers marked by the humid subtropical climate of the Cfa zone, residents face heightened risks of UV exposure, particularly during mid-day when levels can soar to 11. Being aware of the UV Index helps you anticipate and mitigate the risk of sunburn, which in turn contributes to long-term skin health. With peak values typically reaching extremes between 12:00 PM and 2:00 PM, staying informed not only empowers you to enjoy outdoor activities safely but also underscores the importance of sun protection.

Hourly UV Index in Palmetto

The UV Index throughout the day showcases an intriguing pattern of intensity. Starting low at 07:00 and 08:00, with a manageable score of 1, the sun's rays gradually intensify. By 09:00, the index climbs to 3, hinting at a warmer day ahead. The peak arrives at noon, hitting a striking 9, and just a little later, the UVI reaches its zenith at 13:00 and 14:00, both at an impressive 11. As the afternoon progresses, the UV exposure starts to wane, dipping to 9 at 15:00 and further decreasing to 5 by 17:00. The evening cools down significantly, with the index returning to the comfortable levels of 3 at 18:00 and finally resting at 1 by 19:00. Stay protected and enjoy the sun, especially during those 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Palmetto

As the seasons change, the UV Index demonstrates considerable variation, impacting burn potential and risk levels for skin exposure. The highest risk months occur from March to August, with values peaking at 11 during May, June, and July, indicating an extreme exposure category with a burn time of just 10 minutes. February marks a shift into a high risk category, while September through November gradually decreases the UV levels, transitioning back to moderate by December. It is crucial for visitors and residents alike to exercise caution during these high-risk months by wearing protective clothing, applying sunscreen regularly, and seeking shade to mitigate the potential for skin damage.

Monthly Maximum UV Index for Palmetto, United States

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

The table above highlights how UV exposure in Palmetto 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.

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