UV Index in Chinle, United States

Last updated: July 2, 2025

In Chinle, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you effectively prevent sunburn and reduce the long-term risks of skin damage. With Chinle's dry BSk climate, residents often face heightened UV exposure, especially during peak hours when the index soars to dangerous levels (reaching as high as 13 by early afternoon). By keeping an eye on the UV Index, you can enjoy the sun safely while safeguarding your skin’s health.

Hourly UV Index in Chinle

As the sun rises, the UV Index starts off modestly at 1 by 07:00. However, by 08:00, it doubles to 2, slowly building up as we approach midday. The real intensity hits by 12:00, with the index climbing to a peak of 12, marking the hour of highest sun exposure. It reaches an even greater height at 13:00 with a remarkable 13, urging us to seek shade or apply sunscreen. The index begins to decline after this peak, dropping to 10 by 15:00, and steadily decreases to 5 by 17:00 before tapering off to a gentle 3 as we approach evening. As the sun sets, the UV rays lessen, falling back to 1 by 19:00, signaling a safe end to the day’s sun exposure. Remember to stay protected during those 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	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	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 Chinle

The UV Index shows a distinct seasonal pattern, with the highest levels occurring from April to September, when the index consistently reaches extreme levels (11-13) and the burn time drops to just 10 minutes. The high-risk months for UV exposure are March through September, particularly April through July, when precautions are crucial. Visitors and residents should take protective measures during these months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade to minimize the risk of harmful skin exposure. As the year progresses towards October, UV levels decrease, but attention to UV protection remains important until the levels return to moderate in December and January.

Monthly Maximum UV Index for Chinle, United States

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

The table above highlights how UV exposure in Chinle 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.

Chinle'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
Chinle	4	7	9	11	12	13	13	12	11	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5