UV Index in Cool Valley, United States

Last updated: May 3, 2025

In Cool Valley, United States, staying informed about the UV Index is crucial for safeguarding your skin health. With peak UV levels reaching 10 between noon and 1 PM, understanding the daily fluctuations in UV radiation can help you prevent sunburn and reduce the long-term risks of skin damage. Given Cool Valley's Cfa climate, which features warm summers and mild winters, residents are particularly vulnerable to intense sun exposure. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from harmful rays!

Hourly UV Index in Cool Valley

The UV Index throughout the day showcases a dynamic pattern of sun exposure, peaking during the afternoon. At 07:00, the index starts low at 1, gradually increasing as the sun rises. By 10:00, it reaches 6, signaling a rise in sun intensity, culminating in a striking 10 from 12:00 to 13:00, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the UV Index declines, dropping to 3 by 17:00, and steadily returning to 1 by 19:00. This data highlights the importance of sun protection, especially during midday when the UV Index 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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	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	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Cool Valley

Throughout the year, seasonal UV changes indicate varying levels of sun exposure risk. The high-risk months are from April to September, with UV Index values reaching very high to extreme levels, particularly in June when the UV Index peaks at 11. Visitors and residents should take necessary precautions during these months, such as seeking shade, wearing protective clothing, and using sunscreen with a high SPF. In contrast, January, February, November, and December present a moderate exposure risk, allowing for more extended sun exposure times of up to 30 minutes without significant risk of burning. It's essential to remain vigilant year-round and adjust sun protection strategies based on the UV Index to maintain skin health.

Monthly Maximum UV Index for Cool Valley, United States

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

The table above highlights how UV exposure in Cool Valley 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.

Cool Valley'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
Cool Valley	3	5	6	9	10	11	10	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