UV Index in Manns Harbor, United States

Last updated: July 2, 2025

In Manns Harbor, United States, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The region's Cfa climate brings warm summers and higher UV levels, peaking at an index of 11 during midday hours—a significant risk for sun damage. By staying informed about daily UV exposure risks, residents and visitors can take proactive steps to protect themselves, ensuring enjoyable outdoor activities while safeguarding against harmful effects of UV radiation.

Hourly UV Index in Manns Harbor

The UV Index throughout the day follows a predictable rise and fall, peaking at 11 around 1:00 PM. Starting at a modest 1 at 7:00 AM, it gradually escalates, reaching 10 by 12:00 PM, signaling the need for sun protection. As the afternoon progresses, the index dips from 11 to 8 by 3:00 PM, then declines further to 2 by 6:00 PM, and finally settles back at 1 by 7:00 PM. This data underscores the importance of taking precautions during the hours of peak UV exposure, particularly between 11:00 AM and 3:00 PM, when levels are highest and pose the greatest risk to skin health.

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	8	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 Manns Harbor

As the seasons change, so does the UV Index, significantly impacting sun exposure and skin health. Notably, high-risk months occur between March and August, where UV levels reach their peak, especially in May and July with extreme categories (11), indicating a burn time as short as 10 minutes. From February to October, sun exposure should be approached with caution, as the index consistently marks very high to extreme levels. It is crucial for both visitors and residents to prioritize sun safety during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the lower-risk months of January, November, and December present moderate levels, but it is always wise to remain vigilant about UV exposure.

Monthly Maximum UV Index for Manns Harbor, United States

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

The table above highlights how UV exposure in Manns Harbor 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.

Manns Harbor'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
Manns Harbor	4	6	8	10	11	10	11	10	9	8	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