UV Index in Maryville, United States

Last updated: August 1, 2025

Understanding the UV Index in Maryville, United States is crucial for protecting your skin and maintaining overall health. The UV Index serves as a helpful gauge of ultraviolet radiation levels from the sun, informing residents about potential risks for sunburn and long-term skin damage. Maryville's Cfa climate brings warm summers and ample sunlight, which can elevate UV exposure, particularly during midday when the Index can reach a peak of 11. By staying informed about the UV Index, you can take proactive steps to enjoy the outdoors safely and minimize the risk of overexposure.

Hourly UV Index in Maryville

As the sun rises, the UV Index peaks in intensity throughout the day, starting at a mild 1 by 07:00. Gradually, it climbs to 2 by 09:00, but the real heat kicks in just before noon, where it bursts to a crisp 9 by 12:00. The afternoon sees this intensity soar to a maximum of 11 at both 13:00 and 14:00, indicating an immediate need for sun protection. As the day begins to wind down, UV levels decrease, dropping to 5 by 17:00, and settling back to 1 by 19:00. Peak intensity typically occurs between late morning and early afternoon, reminding us to stay vigilant in safeguarding our skin during these critical 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	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	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 Maryville

Throughout the year, the UV Index experiences notable fluctuations, with the highest values occurring from March to August. Specifically, May through July are characterized by an extreme UV Index of 11, necessitating caution as the burn time is reduced to just 10 minutes. These peak months represent a high-risk period for sunburn and potential skin damage. In contrast, January and December see the lowest UV exposure, categorized as moderate with burn times of up to 30 minutes. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen and protective clothing, particularly during the high-risk months of March to August. Staying informed about the UV Index can help ensure a safer experience outdoors.

Monthly Maximum UV Index for Maryville, United States

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

The table above highlights how UV exposure in Maryville 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.

Maryville'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
Maryville	4	6	8	10	11	11	11	10	9	7	6	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5