UV Index in Etna, United States

Last updated: June 2, 2025

In Etna, United States, staying aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps residents prevent sunburn and reduces the risk of long-term skin damage, especially during the sun's peak hours. With a Mediterranean-like Csb climate, Etna experiences significant UV exposure, particularly around midday when the index can soar as high as 11. Being mindful of these fluctuations allows you to enjoy the outdoors safely while safeguarding your skin from harmful rays.

Hourly UV Index in Etna

The UV Index throughout the day showcases a steady increase as the sun climbs, peaking at an intense 11 between 12:00 PM and 2:00 PM. Early morning hours start at a mild 1 at 7:00 AM, gradually rising to 4 by 9:00 AM. As the clock strikes 10:00 AM, the index reaches 6, marking the onset of higher UV levels. From 11:00 AM, the sun’s intensity ramps up significantly, hitting 9 and holding steady at 11 during the peak afternoon hours. As shadows lengthen after 2:00 PM, the UV Index dips, descending to 9 at 3:00 PM, and gradually falling to 2 by the evening. Remember to stay protected during peak hours for optimal sun safety!

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	11	extreme	10 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	7	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 Etna

As the year progresses, UV exposure levels undergo significant seasonal changes, marking March through August as high-risk months due to very high to extreme UV Index ratings. In March, the UV increases to 8, with a burn time of only 15 minutes, and peaks in May, June, and July at an extreme UV Index of 11, necessitating a burn time of just 10 minutes. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially when UV levels are at their highest between 10 a.m. and 4 p.m.. As fall approaches, UV levels begin to taper off, but October still presents a high risk with an index of 6. Throughout the year, particularly from March to August, it is crucial to remain vigilant about sun protection to minimize the risk of skin damage.

Monthly Maximum UV Index for Etna, United States

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

The table above highlights how UV exposure in Etna 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.

Etna'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
Etna	3	5	8	9	11	11	11	10	9	6	4	3
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