UV Index in American Fork, United States

Last updated: July 2, 2025

Understanding the UV Index in American Fork, United States is essential for protecting your skin and overall health. With the region's Dfb climate, residents face significant UV exposure, especially during peak hours. The UV Index can reach a maximum of 12 around noon, indicating a very high risk of harm from unprotected sun exposure. Being aware of these UV levels is crucial not only for preventing painful sunburns but also for long-term skin health. Equip yourself with knowledge to enjoy the beautiful Utah sunshine safely!

Hourly UV Index in American Fork

The UV Index for today reveals a dramatic rise in intensity as the day unfolds. Starting at a mild 1 at 7:00 AM, it slowly climbs to 2 by 8:00 AM, before escalating to 6 by 10:00 AM. The peak intensity hits a striking 12 at both 1:00 PM and 2:00 PM, signaling the highest risk for UV exposure. As the afternoon wanes, the index gradually declines, dropping to 10 by 3:00 PM, and further decreasing to 5 at 5:00 PM. By 7:00 PM, the UV Index retreats back to a safe 1, marking the end of a sun-drenched day. 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	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	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 American Fork

Throughout the year, the UV Index experiences significant fluctuations, impacting the safety of sun exposure for both residents and visitors. The high-risk months for UV exposure are from March to August, where the index consistently reaches very high to extreme levels, particularly peaking at 12 in June and July. During these months, the recommended burn time shrinks to just 10 minutes, highlighting the urgent need for protective measures. Conversely, the UV Index drops to moderate levels in January, November, and December, allowing for longer safe exposure times of 30 minutes. It is essential for individuals to stay informed and take necessary precautions, such as wearing sunscreen, protective clothing, and limiting exposure during the highest UV hours, particularly from March through August.

Monthly Maximum UV Index for American Fork, United States

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

The table above highlights how UV exposure in American Fork 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.

American Fork'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
American Fork	4	6	9	11	11	12	12	11	9	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5