UV Index in Silverton, United States

Last updated: July 2, 2025

In Silverton, United States, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you prevent sunburn and reduces long-term risks associated with skin damage. With Silverton's Dfc climate, residents face varying UV exposure throughout the year, especially during peak hours when the index soars—reaching a maximum of 12 by noon. Being proactive about UV awareness ensures you can enjoy the outdoor beauty of Silverton while protecting yourself from harmful rays. Keep your skin safe and embrace the sun responsibly!

Hourly UV Index in Silverton

The hourly UV Index data reveals a sharp escalation in UV radiation as the day progresses. Starting from a mild 1 at 07:00, the index swiftly climbs to 2 by 08:00, before reaching 4 at 09:00. The intensity peaks at a blistering 13 between 13:00 and 14:00, indicating a time when sun protection is crucial. As the afternoon wanes, the UV Index declines, dropping to 5 by 17:00 and falling further to 1 by 19:00. This data underscores the importance of safety measures during midday, when the sun’s rays are most potent.

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	10	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Silverton

The UV Index undergoes significant seasonal changes, with the highest levels occurring from March to September. This period features extreme UV exposure, particularly in May and June, when the index peaks at 14, implying a burn time of just 10 minutes. The high-risk months for sun exposure are thus from February to October, with particular caution advised from March to August. Residents and visitors should be vigilant during these months, employing protective measures such as sunscreen, protective clothing, and hats, especially during peak hours, to minimize the risk of skin damage. As the temperatures drop in October through December, UV levels decrease significantly, allowing for safer outdoor activities with only moderate levels of exposure.

Monthly Maximum UV Index for Silverton, United States

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

The table above highlights how UV exposure in Silverton 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.

Silverton'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
Silverton	4	7	10	12	13	14	13	12	11	8	6	4