UV Index in Whitehall, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Whitehall, United States, where the climate zone Dfb brings unique challenges. By tracking UV levels throughout the day, you can effectively manage your sun exposure and prevent harmful skin damage, such as sunburns. With peak UV levels reaching a high of 9 between noon and 1 PM, being aware of these measurements not only promotes skin health but also enhances your overall well-being. Whether you’re spending time outdoors or simply enjoying the beautiful days in Whitehall, knowing the UV Index helps you make informed decisions and protect yourself and your loved ones.

Hourly UV Index in Whitehall

The UV Index throughout the day started off low, with 1 at 07:00, gradually rising as the sun climbed higher in the sky. By 09:00, it reached a moderate 4, but the real peak came at 12:00 with an impressive 9—a perfect reminder to apply sunscreen! As the afternoon unfolded, the UV levels remained high, hovering around 8 at 14:00 and dipping slightly to 7 by 15:00. As the sun began to set, the index gracefully descended, dropping to 3 by 17:00, and finally returning to a safe 1 by 19:00. This daily cycle underscores the importance of sun safety, particularly during those high noon hours.

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	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 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 Whitehall

Throughout the year, UV exposure varies significantly, with high-risk months typically from April to August, where the UV Index peaks at levels of 8 to 10, resulting in a very high exposure category and a quick burn time of just 15 minutes. In contrast, the winter months of January, February, and December feature a much lower UV Index, ranging from 2 to 4, which is classified as low to moderate, allowing for longer exposure times of 30 to 45 minutes without significant risk. To protect against harmful UV rays, it’s crucial for visitors and residents alike to use sunscreen, wear protective clothing, and seek shade during the peak sun hours, especially from April to August when sun safety practices should be a top priority.

Monthly Maximum UV Index for Whitehall, United States

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

The table above highlights how UV exposure in Whitehall 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.

Whitehall'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
Whitehall	3	4	5	8	9	10	9	9	7	5	3	2
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
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