UV Index in Booker, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Booker, United States, especially given its BSk climate that features sunny days and dry conditions. Being aware of UV levels can significantly help in preventing sunburn and maintaining overall skin health. In Booker, UV exposure can peak at an intense 11 during midday hours, emphasizing the need for sun safety measures. By grasping the fluctuations in UV Index throughout the day, you can better protect yourself and your loved ones from the harmful effects of excessive sun exposure.

Hourly UV Index in Booker

From 07:00 to 08:00, the UV Index remains low at 1, making it a safe time for morning activities. As the sun rises higher, the index climbs to 3 by 09:00, reminding you to take some precautions. The intensity peaks around 12:00, hitting a scorching 10, while the following hour sees an even higher 11 at 13:00 and 14:00. This trio of hours is when sunscreen and protective clothing are essential. As the afternoon progresses, the UV Index begins to decline, dropping to 8 at 16:00 and trailing off to 5 by 17:00. As evening approaches, you can enjoy the outdoors again, with levels returning to 3 by 18:00 and settling back to 1 by 19:00. Stay protected during the peak hours, and enjoy the rest of your day!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Booker

Throughout the year, UV exposure varies significantly, with the highest risk months occurring from March to August. In this period, the UV Index reaches extreme levels, peaking at 12 in June, which corresponds to a burn time of just 10 minutes—a stark contrast to the 30 minutes required in January, when the UV Index is only 4. The transition months of April, May, and September also present significant risks, falling into the very high range. Visitors and residents are strongly advised to take precautions during high UV Index months, especially from March to August, by wearing sunscreen, protective clothing, and seeking shade when possible to minimize skin damage. As the year moves into late fall and winter, UV exposure decreases, and precautions can be relaxed, but awareness remains important year-round.

Monthly Maximum UV Index for Booker, United States

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

The table above highlights how UV exposure in Booker 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.

Booker'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
Booker	4	6	8	10	11	12	11	11	10	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5