UV Index in Sleepy Hollow, United States

Last updated: July 2, 2025

In Sleepy Hollow, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. With peak UV levels reaching as high as 11 during the summer months, understanding these fluctuations can help you prevent sunburn and reduce the long-term risks associated with skin damage. Our unique BSk climate offers delightful summers, but it also presents notable UV exposure risks, particularly around midday when the sun is at its strongest. Be proactive in your sun safety by keeping an eye on the UV Index, ensuring you enjoy the beautiful outdoors while minimizing harm to your skin.

Hourly UV Index in Sleepy Hollow

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 Sleepy Hollow

During the year, the UV Index shows significant seasonal changes that are crucial for visitors and residents to be aware of. The high-risk months for UV exposure are from April to August, with June and July having the highest UV Index of 11, categorized as extreme, where the burn time is just 10 minutes. In April and May, the UV Index reaches a very high level, necessitating caution. Conversely, the winter months, particularly January, October, and November, pose a lower risk with moderate UV levels and longer burn times of 30 minutes or more. It is essential for individuals to protect their skin by seeking shade, wearing protective clothing, and applying sunscreen, especially during the peak risk months to mitigate the effects of intense UV exposure.

Monthly Maximum UV Index for Sleepy Hollow, United States

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

The table above highlights how UV exposure in Sleepy Hollow 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.

Sleepy Hollow'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
Sleepy Hollow	3	5	6	10	9	11	11	10	8	5	3	2
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