UV Index in Navajo, United States

Last updated: May 3, 2025

In Navajo, United States, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels helps prevent sunburn and promotes overall skin health, allowing you to enjoy the great outdoors safely. With a typical Dfb climate that offers ample sunshine, residents and visitors alike face increased risks from UV exposure—particularly during peak hours when the index can soar to 12 around noon. Stay informed and take proactive measures to safeguard your skin while embracing the beauty of Navajo!

Hourly UV Index in Navajo

Throughout the day, the UV Index displayed a dynamic pattern, peaking at an intense 12 around 1 PM. Starting off gently at 1 by 7 AM, it climbed steadily, reaching 9 by 11 AM, a clear sign to take precautions. As the sun approached its zenith, the index swelled to its maximum at 12 PM, emphasizing the importance of sun safety. Following the midday peak, the index gradually decreased, dropping to 9 by 3 PM, then tapering off further to 2 by 6 PM and 1 by 7 PM. This data underscores the significance of shielding oneself from the sun's harmful rays during the day, especially when the UV Index is at its highest.

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	7	high	25 min
11:00	9	very high	15 min
12:00	11	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	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Navajo

As the seasons change, so do the UV index levels, significantly impacting sun exposure risks for residents and visitors. From January to March, the UV index starts from a moderate level of 4, rising sharply to a very high 10 by March, marking the onset of high-risk months. Notably, April through August present an extreme UV index, peaking at 13, where the burn time drastically decreases to just 10 minutes. As we transition into September and October, the risk remains high, with a UV index of 10 and 8, respectively. By November, the exposure category shifts back to high with an index of 6, and finally, it tapers off to moderate by December. Visitors and residents are strongly advised to take necessary precautions during these high-risk months, especially when the UV index reaches 10 or above, by wearing protective clothing, using sunscreen, and seeking shade to minimize the risk of skin damage.

Monthly Maximum UV Index for Navajo, United States

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

The table above highlights how UV exposure in Navajo 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.

Navajo'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
Navajo	4	7	10	12	12	13	13	12	10	8	6	4