UV Index in Marengo, United States

Last updated: May 3, 2025

Understanding the UV Index in Marengo, United States, is crucial for protecting your skin and overall health. With the potential for high UV levels peaking at 10 during midday, awareness helps in taking proactive steps to prevent sunburn and long-term skin damage. Given Marengo's humid subtropical climate (Cfa), residents face unique risks associated with intense sun exposure, especially in the peak summer months. By keeping an eye on the UV Index, you can enjoy the outdoors safely while minimizing your risk of skin-related issues.

Hourly UV Index in Marengo

As the sun rises, the UV Index begins its gentle climb, starting at a modest 1 at 7:00 AM and 8:00 AM. By 9:00 AM, it nudges up to a 2, signaling the day is warming up. However, the intensity ramps up dramatically around 10:00 AM, peaking at 9 by 12:00 PM. The highest alert comes at 1:00 PM and 2:00 PM with a striking 10, indicating it’s time to seek shade and protect your skin. As the afternoon unfolds, the index recedes slowly, dropping to 5 by 5:00 PM and settling down to a safe 1 by 7:00 PM. Keep in mind, during peak hours, the sun's rays are most potent—stay safe and enjoy the sunshine wisely!

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	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 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 Marengo

Throughout the year, UV levels vary significantly, with the highest risk occurring from April to September, when the UV Index peaks at 11 in June. During these months, the burn time decreases to as little as 10 to 15 minutes, categorizing these periods as very high to extreme in terms of exposure risk. March marks the transition to higher UV levels, moving into the high-risk zone, while falling into moderate levels returns in November and December. To protect against harmful UV exposure, visitors and residents are strongly advised to wear sunscreen, protective clothing, and seek shade during peak hours, especially from April to September. Stay informed and proactive to ensure your skin's safety throughout the changing seasons.

Monthly Maximum UV Index for Marengo, United States

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

The table above highlights how UV exposure in Marengo 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.

Marengo'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
Marengo	3	5	7	10	10	11	10	10	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