UV Index in Spring Valley Lake, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Spring Valley Lake, United States, where sunny days are plentiful and the air is dry. Awareness of UV levels helps individuals protect their skin from harmful rays, reducing the risk of sunburn and long-term skin damage. With temperatures often rising and UV levels peaking at a striking 12 during midday hours, it's essential to stay informed about the daily UV Index. This knowledge empowers you to enjoy the region's warm, Mediterranean climate while safeguarding your health under the sun.

Hourly UV Index in Spring Valley Lake

As the day unfolds, the UV Index climbs steadily, peaking at a stunning 12 around noon. Starting from a modest 1 at 7:00 AM, the intensity escalates, reaching a vital 10 by 11:00 AM. The afternoon continues with high values, with 12 sustained from 12:00 PM to 1:00 PM, before gradually tapering off. By 4:00 PM, the index drops to 6, and as evening approaches, it cools to a safe 1 by 7:00 PM. For those venturing outdoors, it’s crucial to take precautions during the peak hours from 10:00 AM to 2:00 PM, when the sun's rays are strongest.

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Spring Valley Lake

The UV Index experiences significant seasonal variation, peaking between March and August when exposure levels reach extreme categories. Notably, April, May, and June have the highest readings at 11 and 12, indicating a burn time as short as 10 minutes during these months. Visitors and residents should be particularly cautious from March to August, with March and April marking the onset of these high-risk months. During this time, it is advisable to wear protective clothing, apply sunscreen frequently, and seek shade whenever possible, especially during midday hours. As fall approaches, the UV Index begins to decline, offering slightly safer conditions in October and November, yet vigilance is still recommended during these months with moderate exposure.

Monthly Maximum UV Index for Spring Valley Lake, United States

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

The table above highlights how UV exposure in Spring Valley Lake 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.

Spring Valley Lake'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
Spring Valley Lake	4	6	9	11	11	12	12	11	10	8	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5