UV Index in Cactus, United States

Last updated: July 2, 2025

In Cactus, United States, awareness of the UV Index is crucial for protecting your skin from harmful UV radiation. Understanding UV levels helps prevent sunburn and promotes better skin health, allowing you to enjoy the great outdoors safely. With its dry BSk climate, Cactus experiences heightened UV exposure, especially during midday hours when the UV Index can soar to 12. Staying informed about the UV Index helps residents take proactive measures against sun damage, ensuring safe and enjoyable outdoor activities.

Hourly UV Index in Cactus

As the day unfolds, the UV Index rises steadily, starting with a mild 1 at 07:00 and 08:00. By 09:00, it climbs to a 2, but things heat up quickly as we approach midday. The index surges to 4 at 10:00, leading to a peak of 11 at 13:00 and hitting an intense 12 at 14:00—the highest recorded in the day. Safeguarding against sun exposure is crucial during these hours, particularly from 11:00 to 15:00, when UV levels are most hazardous. As the afternoon fades, the number gradually drops, cooling to 8 at 16:00, and finally settling at a comfortable 2 by 19:00. Remember to take precautionary measures during the 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	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	12	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Cactus

Throughout the year, the UV Index displays significant seasonal variations. The high-risk months, characterized by extreme UV levels and minimal burn times, are May through August, with June and July reaching a peak UV Index of 12 and an urgent burn time of just 10 minutes. As spring transitions to summer, the UV Index escalates from a moderate level of 4 in January to an extreme of 11 in May, then gradually declines again in fall and winter. Visitors and residents are advised to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risks of skin damage from UV exposure. In contrast, during the moderate months of November and December, exposure is less critical, but protective measures are still recommended. Stay informed and protect your skin year-round!

Monthly Maximum UV Index for Cactus, United States

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

The table above highlights how UV exposure in Cactus 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.

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