UV Index in Siloam Springs, United States

Last updated: July 2, 2025

Understanding the UV Index in Siloam Springs, United States is crucial for safeguarding your skin and overall health. With peak UV levels often reaching an intense 11 around midday, awareness of these values can be a vital tool in preventing sunburn and reducing the long-term risks of skin damage. Siloam Springs, characterized by its humid subtropical climate, exposes residents to significant UV radiation, especially during the hot summer months. By staying informed about daily UV levels, you can enjoy outdoor activities while keeping your skin safe and healthy.

Hourly UV Index in Siloam Springs

The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a mild 1 at 07:00, it escalates steadily to a peak of 11 between 13:00 and 14:00, making it crucial to prioritize sun safety during these hours. As noon approaches, protective measures become essential with the index hitting a striking 10 at 12:00. Following that, a gradual decline occurs, retreating to 6 at 16:00, then tapering to 2 by 18:00 and settling back to 1 by 19:00. This pattern emphasizes the importance of seeking shade and wearing sunscreen during the midday hours when UV exposure is at its highest.

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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Siloam Springs

During the year, UV Index levels exhibit notable seasonal changes, with the highest risk months occurring from April to August. April and May both feature a very high UV Index of 10, while June and July reach an extreme level of 11, necessitating vigilant sun protection. The burn time decreases significantly during these months, dropping to just 10 minutes in June and July. Conversely, UV levels are moderate in January, November, and December, allowing for longer burn times of 30 minutes. Residents and visitors are advised to take precautions, especially during high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of overexposure. Awareness of these UV changes is crucial for maintaining skin health throughout the year.

Monthly Maximum UV Index for Siloam Springs, United States

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

The table above highlights how UV exposure in Siloam Springs 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.

Siloam Springs'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
Siloam Springs	3	6	7	10	10	11	11	10	9	7	5	3
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