UV Index in Twentynine Palms, United States

Last updated: July 2, 2025

In Twentynine Palms, United States, being aware of the UV Index is crucial for safeguarding your skin from the sun’s harmful effects. Understanding UV levels helps in preventing sunburn and promoting long-term skin health, especially in this desert climate characterized by high UV exposure. With peak UV readings soaring to 12 around midday, residents and visitors alike must stay informed to enjoy the beautiful California sunshine safely while minimizing their risk of skin damage.

Hourly UV Index in Twentynine Palms

As the sun rises, the UV Index begins its gradual ascent, peaking dramatically at 12:00 PM with a striking score of 12—a clear indication of intense midday sun. Starting from a low 1 at 7:00 AM, the index swiftly climbs, reaching 10 by 11:00 AM, suggesting that sun protection is essential. The afternoon sees a slight drop, with the index falling to 9 at 3:00 PM, but remains elevated enough to warrant caution. As the day winds down, the UV Index dips back to a safer 1 by 7:00 PM, allowing for a more relaxed outdoor experience. Remember to protect yourself during those peak hours, especially between 10:00 AM and 2:00 PM, when the sun is at its strongest!

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Twentynine Palms

As we observe seasonal changes in the UV Index, it becomes clear that higher levels of ultraviolet radiation occur during the warmer months. The high-risk months peak from March to August, with May and June reaching extreme levels (UV Index 11-12) and burn times as low as 10 minutes. Visitors and residents are strongly advised to take precautions during these months by seeking shade, wearing protective clothing, and using sunscreen, especially between 10 AM and 4 PM when UV exposure is at its highest. January, November, and December are comparatively safer, with moderate UV levels (Index 4-5) and longer burn times of 30 minutes. Staying informed about the UV Index is essential for maintaining skin health year-round.

Monthly Maximum UV Index for Twentynine Palms, United States

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

The table above highlights how UV exposure in Twentynine Palms 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.

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