UV Index in Crest, United States

Last updated: July 2, 2025

Understanding the UV Index is essential for residents of Crest, United States, as it provides crucial information about the sun's intensity and the risks associated with UV exposure. By being aware of UV levels, you can take proactive measures to prevent sunburn and protect your skin health, especially during the sun's peak hours when the index reaches alarming levels of 10-12 around midday. Given Crest's Csa climate, which often combines warm summers with dry conditions, residents face increased risks of harmful UV rays. Stay informed and safeguard your skin by checking the UV Index regularly!

Hourly UV Index in Crest

The UV Index reveals a dynamic dance of sun intensity throughout the day, peaking dramatically at the highest levels between 12:00 PM and 1:00 PM. Starting the morning gentle with a UV Index of 1 at 7:00 AM, it quickly escalates as the sun rises, hitting 2 by 8:00 AM and surging to 11 by noon. The maximal exposure occurs at 1:00 PM with a striking 12, indicating a period of high sun intensity that calls for caution. As the afternoon progresses, the index gradually declines, reaching a comfortable 3 by 5:00 PM and settling back to 1 by 7:00 PM. This rhythmic pattern serves as a reminder to stay sun-safe during peak hours!

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	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Crest

Throughout the year, the UV Index exhibits significant seasonal variations, with high-risk months typically occurring from March to September. During this period, the UV Index reaches extremes, peaking at 12 in June and July, indicating a very high to extreme exposure risk where the burn time can be as little as 10 minutes. As spring transitions into summer, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. Conversely, the UV Index drops in winter months, with January and December showing moderate levels of 4. Nonetheless, even in these months, it’s advisable to remain vigilant, as UV radiation can still cause skin damage.

Monthly Maximum UV Index for Crest, United States

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

The table above highlights how UV exposure in Crest 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.

Crest'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
Crest	4	6	9	10	11	12	12	11	11	8	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5