UV Index in Afton, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Afton, United States, where the climate can see varied exposure to UV rays. Being aware of UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. Afton’s climate, categorized as Dfc, often presents risks such as elevated UV levels, particularly around midday when readings soar to a maximum of 11. By staying informed about the UV Index, you can take proactive steps to protect your skin while enjoying the beautiful outdoor spaces that Afton has to offer.

Hourly UV Index in Afton

As the day progresses, the UV Index rises dramatically, peaking at a striking 11 between 1:00 PM and 2:00 PM. Starting from a modest 1 at 7:00 AM, the index steadily climbs, reaching 2 by 8:00 AM and hitting 5 by 10:00 AM. The real intensity kicks in around 11:00 AM, recording an 8, before soaring to its maximum of 10 at noon. After the midday peak, the index begins to decline but still remains significant with a 10 at 3:00 PM and dips to 7 by 4:00 PM. As the sun sets, the UV radiation decreases, trailing off to a 3 at 6:00 PM and finally settling back to 1 by 7:00 PM, marking a gradual end to the day’s sun exposure. Stay protected!

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	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Afton

Throughout the year, UV levels exhibit notable seasonal changes, with the highest risk occurring from March to August. During this period, especially in May and June, the UV Index peaks at 12, indicating extreme exposure risk and a burn time of only 10 minutes. Visitors and residents should remain vigilant in these months, seeking shade, wearing protective clothing, and applying sunscreen regularly. The months of January, November, and December present a moderate risk with lower UV Index values of 3 to 5, allowing for slightly longer safe exposure times of 30 minutes. It’s essential to take sun safety seriously as UV radiation can be harmful even on cloudy days, so always check the UV Index and plan outdoor activities accordingly.

Monthly Maximum UV Index for Afton, United States

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

The table above highlights how UV exposure in Afton 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.

Afton'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
Afton	3	5	8	10	12	12	11	11	9	6	5	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