UV Index in Jerseyville, United States

Last updated: June 2, 2025

Understanding the UV Index in Jerseyville, United States is crucial for protecting your skin and overall health. As our climate boasts warm summers typical of the Cfa zone, UV levels can soar, reaching a peak index of 11 around midday. This means the risk of sunburn increases significantly, making it essential to be aware of the daily UV forecast. By monitoring UV levels, you can take proactive steps to shield your skin from harmful rays, ensuring better skin health and reducing the risk of long-term damage. Stay informed to enjoy the sun safely!

Hourly UV Index in Jerseyville

The UV Index data highlights a dramatic rise in sun intensity as the day progresses. Starting early at 1 around 7:00 AM, it gradually climbs to 10 by noon, peaking at a staggering 11 at 1:00 PM. This is the moment when UV exposure becomes most concerning, emphasizing the importance of sun protection. As the afternoon unfolds, the index gracefully tapers down, dipping to 8 by 3:00 PM and further declining to 4 by 5:00 PM. By the time evening rolls in, the UV Index settles back to 1 at 7:00 PM, signaling a reprieve from the midday sun. This data can be a crucial guide for planning outdoor activities safely throughout the day.

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	6	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 Jerseyville

Throughout the year, the UV Index experiences notable seasonal fluctuations, which are particularly prominent in the spring and summer months. High-risk months for UV exposure include April through August, with the index peaking in June and July at 11, categorized as extreme exposure, where the burn time is a mere 10 minutes. As the summer wanes into fall, the UV Index gradually declines, with October reflecting a high category and increased burn times of 25 minutes. Residents and visitors should take precautions during the high-risk months, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Jerseyville, United States

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

The table above highlights how UV exposure in Jerseyville 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.

Jerseyville'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
Jerseyville	3	5	6	9	10	11	11	9	9	6	4	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