UV Index in Siletz, United States

Last updated: May 3, 2025

Understanding the UV Index is essential for residents of Siletz, Oregon, as it plays a crucial role in promoting skin health and preventing sunburn. With typical UV levels peaking at a high of 10 between 1 PM and 2 PM, awareness of these levels is particularly important in this moderate climate, where sun exposure can still pose significant risks. By paying attention to the UV Index, Siletz residents can take proactive steps to protect themselves from harmful effects, ensuring enjoyable days outdoors while safeguarding their skin health.

Hourly UV Index in Siletz

As the sun rises, the UV Index begins to climb, starting at a mild 1 at 7:00 AM. By 10:00 AM, it reaches a moderate 5, signaling the need for sun protection. The real peak occurs at 1:00 PM, with the index soaring to an intense 10—a critical point where sun safety is paramount. As the afternoon progresses, the UV levels gradually decline, dipping to 8 at 3:00 PM and settling back down to 2 by 6:00 PM. For anyone planning their day, it's essential to stay vigilant during the midday hours when the UV radiation is at its highest, ensuring skin is well-protected against potential damage.

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	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Siletz

As the seasons change, so too does the UV Index, significantly affecting the risk of skin damage from sun exposure. January and December see a low UV Index of 2, allowing for safe exposure of about 45 minutes. The UV levels begin to rise in February with a moderate index of 3, highlighting the need for awareness as burn times decrease to 30 minutes. March and April present high levels at 6 and 7, respectively, with a burn time of just 25 minutes. The peak risk occurs between May and August, where the UV Index consistently hits 10 and 9, involving very high exposure with a swift burn time of merely 15 minutes. As autumn arrives in September, the index drops to 7, followed by moderate levels back in October and November. Visitors and residents are strongly advised to take precautionary measures, such as applying sunscreen, wearing protective clothing, and seeking shade, especially during the high-risk months of March through August.

Monthly Maximum UV Index for Siletz, United States

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

The table above highlights how UV exposure in Siletz 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.

Siletz'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
Siletz	2	3	6	7	10	10	10	9	7	5	3	2
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