UV Index in Perryville, United States

Last updated: May 3, 2025

Understanding the UV Index is essential for residents of Perryville, United States, especially given its humid subtropical climate (Cfa), which contributes to significant sun exposure. As UV levels can fluctuate throughout the day, recognizing these changes is vital for sunburn prevention and maintaining overall skin health. With midday UV Index readings soaring to 11, the risk of harmful effects from sun exposure increases dramatically. By staying informed about the UV Index, Perryville residents can take proactive measures to protect themselves and enjoy the outdoors safely.

Hourly UV Index in Perryville

Today’s UV Index tells a compelling story of the sun's intensity throughout the day. Starting off gently at 1 at 7:00 AM, it gradually picks up, reaching 2 by 8:00 AM. As the day warms up, it surges to a moderate 4 by 9:00 AM and hits 6 at 10:00 AM. The sun shines fiercest at 12:00 PM, where the UV Index peaks at an impressive 10, nudging even higher to 11 at 1:00 PM. After lunchtime, we see a steady decline: it dips to 10 at 2:00 PM, falls to 8 by 3:00 PM, and continues its descent to 5 at 4:00 PM. As evening approaches, the index drops significantly, ending the day with a cozy 1 by 7:00 PM. Remember to take precautions during the peak hours for skin safety!

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	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Perryville

Throughout the year, the UV Index exhibits notable seasonal variations, with the highest levels occurring from April to September. This period includes high-risk months such as May and June, where the UV Index reaches extremes of 11, resulting in a burn time as short as 10 minutes. Visitors and residents should be particularly vigilant during these months, applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm. As the year progresses into October and November, UV levels decrease, transitioning back to a moderate risk by December. It is essential to stay informed about daily UV reports and adjust sun safety practices accordingly.

Monthly Maximum UV Index for Perryville, United States

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

The table above highlights how UV exposure in Perryville 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.

Perryville'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
Perryville	3	6	7	9	11	11	10	10	9	7	5	3
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5