UV Index in Green Valley, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Green Valley, United States. With the region's BSk climate, residents often experience heightened UV exposure, making it essential to monitor daily UV levels to prevent sunburn and ensure long-term skin health. The peak UV Index values in Green Valley can soar to an intense 12 around midday, underscoring the necessity of awareness and precaution during peak sun hours. By keeping track of the UV Index, you can effectively protect your skin and enjoy the beautiful, sunny days this vibrant location has to offer.

Hourly UV Index in Green Valley

During the morning hours, the UV Index starts off low at 1 at 7:00 AM, indicating minimal risk of harm from unprotected sun exposure. As the day progresses, the intensity ramps up, peaking at 12 around 12:00 PM and 1:00 PM, suggesting a high risk for harm, especially for those spending extended periods outdoors. Post-peak, the index gradually declines, dropping to 7 at 3:00 PM and further down to 1 by 7:00 PM, which indicates a return to minimal risk as the sun sets. For sun enthusiasts, midday offers the most intense UV radiation, making sun protection essential during those 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Green Valley

The UV Index experiences notable changes throughout the year, with peaks from March to September when the levels reach extreme (10-13), particularly in April and June. The highest risk months are March through September, where the burn time decreases to just 10 minutes during peak exposure. In contrast, January, December, and November present moderate to high exposure levels, allowing for longer burn times of up to 30 minutes. It is crucial for both visitors and residents to remain vigilant during the high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV radiation is at its strongest.

Monthly Maximum UV Index for Green Valley, United States

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

The table above highlights how UV exposure in Green 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.

Green 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
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
Green Valley	5	7	10	12	12	13	12	12	11	9	6	5