UV Index in Hill City, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Hill City, United States, where sun exposure can vary dramatically throughout the day. With peak UV levels reaching up to 11 during the midday hours, awareness of these indices can help prevent sunburn and protect your skin health. The Dfa climate of Hill City, characterized by hot summers and cold winters, often increases the risk of harmful UV exposure, especially between 10 AM and 2 PM. By staying informed about the UV Index, you can enjoy the outdoors while minimizing the risks associated with sun exposure.

Hourly UV Index in Hill City

The UV Index throughout the day exhibits a remarkable peak during the midday hours. Starting modestly at 1 by 7 AM, it gradually rises, reaching 4 by 9 AM. As the sun ascends, the intensity escalates sharply, hitting 7 at 10 AM and soaring to its highest point of 11 between 1 PM and 2 PM. This is a crucial time for sun protection, as the UV exposure is at its most intense. Fortunately, by late afternoon, relief comes as the index dips to 6 at 4 PM and plunges further to 1 by 7 PM, making those evening hours much safer for outdoor activities. Remember to safeguard your skin 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	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	9	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 Hill City

Throughout the year, the UV Index varies significantly, indicating changing levels of sun exposure risk. The highest risk months are June and July, both classified as having an extreme UV Index of 11, which corresponds to a burn time of just 10 minutes. The very high risk persists in April, May, August, and September, where visitors should be particularly cautious, with burn times ranging from 15 to 25 minutes. As UV levels drop in the fall and winter, January, February, and November present a moderate risk with burn times around 30 minutes, while December brings a low risk, allowing for a safer 45-minute burn time. It is essential for residents and visitors to take proactive sun safety measures, especially during the higher risk months, such as wearing sunscreen, hats, and protective clothing when spending extended time outdoors.

Monthly Maximum UV Index for Hill City, United States

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

The table above highlights how UV exposure in Hill City 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.

Hill City'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
Hill City	3	5	6	9	9	11	11	10	8	6	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