UV Index in Tonalea, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Tonalea, United States, where the high desert climate (BSk) brings unique sun exposure risks. With UV levels frequently spiking to dangerous highs—reaching up to 12—knowing the daily UV Index can help you protect your skin from harmful effects like sunburn and long-term damage. By being aware of the UV levels, you can take simple precautions to ensure your skin health while enjoying the beautiful outdoors in Tonalea. Stay informed and embrace the sunshine safely!

Hourly UV Index in Tonalea

As the sun rises, the UV Index begins its ascent, starting at a low 2 at 7:00 AM. By 9:00 AM, it ramps up to a moderate 6, signaling that sun protection is becoming essential. The peak of the day arrives at 12:00 PM when the index skyrockets to a striking 12, suggesting that precautions against UV exposure are crucial. The intensity then gradually decreases, tapering off to 10 by 2:00 PM and falling further to a mild 4 by 4:00 PM. As evening approaches, the UV Index drops to 1 by 6:00 PM, indicating a safer time to enjoy the outdoors without the same level of concern. Keep this UV journey in mind for a safe and sun-smart 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	2	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Tonalea

Throughout the year, seasonal UV changes significantly impact sun exposure and potential health risks. The highest risk months are from March to September, where the UV Index peaks at 13 in June and July, falling into the extreme exposure category with a quick burn time of just 10 minutes. Visitors and residents should be particularly vigilant during these months, adhering to sun safety guidelines such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. As the year progresses towards the winter months, UV exposure decreases; with indices dropping to moderate levels in January, November, and December. However, the risk remains present, so caution is advised year-round.

Monthly Maximum UV Index for Tonalea, United States

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

The table above highlights how UV exposure in Tonalea 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.

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