UV Index in York, United States

Last updated: May 3, 2025

Staying informed about the UV Index is essential for residents of York, United States, where the combination of a cool-summer Mediterranean climate and varying UV exposure levels can pose risks to skin health. Understanding these UV levels is crucial—not only to prevent painful sunburns, but also to reduce the long-term risks of skin damage and skin cancer. In York, UV exposure peaks midday, particularly during the summer months, with indices soaring to as high as 12. By being aware of these fluctuations, you can protect yourself and your loved ones while enjoying the sun's warmth and natural beauty.

Hourly UV Index in York

The UV Index for the day begins at a mild level of 2 at 07:00, gradually escalating as the sun climbs higher in the sky. By 10:00, it reaches a noteworthy 9, peaking at an intensity of 12 at both 12:00 and 13:00. This signifies a period of maximum sun exposure, urging caution and protection for outdoor activities. As afternoon progresses, the UV Index gently declines, dropping to 10 at 14:00 and further diminishing to 4 by 16:00. The day finishes on a more comfortable note, with the index easing back to 2 by 17:00 and further to a low of 1 by the evening hours. Enjoy the sunshine, but remember to stay protected during those peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in York

Throughout the year, UV exposure levels vary significantly, with the most intense months being March through September. During this period, particularly from April to September, the UV Index reaches extreme levels (11-13), corresponding to a burn time of just 10 minutes. February marks the beginning of the high-risk season with an Index of 7, while the months of October and November see a gradual decrease, falling back to moderate and high exposure categories, respectively. Visitors and residents should be particularly cautious during the summer months, adopting protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. By staying informed about these seasonal changes, individuals can better protect their skin and overall health.

Monthly Maximum UV Index for York, United States

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

The table above highlights how UV exposure in York 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.

York'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
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
York	5	7	10	11	12	13	12	12	11	8	6	5