UV Index in Placerville, United States

Last updated: July 2, 2025

In Placerville, California, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. With an average climate that features hot, sunny summers, understanding the daily UV levels can help residents and visitors alike make informed decisions about sun protection. For instance, peak UV Index readings reach 11 at noon and 10 in the early afternoon, indicating a significant risk of harm from unprotected sun exposure. By monitoring these levels, you can safeguard your skin and enjoy the beautiful outdoors of Placerville without compromising your health.

Hourly UV Index in Placerville

As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 07:00. By 09:00, it reaches a moderate 4, signaling a need for some sun protection. The intensity peaks at 12:00 with a powerful 10, indicating strong sunlight. The highest point, 11 at 13:00, urges sun safety awareness as the afternoon sun bears down. However, relief comes as the sun begins to set; the index dips to 9 by 15:00, then gradually decreases to 4 at 17:00, and finally back to a safe 1 by 19:00. Throughout the day, staying vigilant against UV exposure is key!

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	6	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	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 Placerville

As the year progresses, UV exposure levels undergo significant seasonal changes, marking March through August as high-risk months due to very high to extreme UV Index ratings. In March, the UV increases to 8, with a burn time of only 15 minutes, and peaks in May, June, and July at an extreme UV Index of 11, necessitating a burn time of just 10 minutes. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially when UV levels are at their highest between 10 a.m. and 4 p.m.. As fall approaches, UV levels begin to taper off, but October still presents a high risk with an index of 6. Throughout the year, particularly from March to August, it is crucial to remain vigilant about sun protection to minimize the risk of skin damage.

Monthly Maximum UV Index for Placerville, United States

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

The table above highlights how UV exposure in Placerville 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.

Placerville'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
Placerville	3	5	8	9	11	11	11	10	9	6	4	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