UV Index in Butler, United States

Last updated: May 3, 2025

Understanding the UV Index in Butler, United States is crucial for safeguarding your skin health and preventing sunburn, particularly during the peak of summer. With typical UV exposure risks peaking around noon, when levels can soar to a maximum of 10, being aware of these levels can make a significant difference in your daily routine. The Dfa climate of Butler brings warm summers with potent sun rays, making it essential for residents to stay informed about UV levels and take necessary precautions. Whether you're spending time outdoors or simply commuting, awareness of the UV Index empowers you to enjoy the sunny days while protecting your skin!

Hourly UV Index in Butler

The UV Index throughout the day highlights a notable rise in intensity, peaking at 10 around 1 PM. Early hours show a modest index of 1 at 7 AM and 8 AM, indicating minimal sun exposure risk. However, as the sun ascends, the index climbs steadily, hitting 7 by 11 AM, and surging to 9 at noon. The highest point at 1 PM signals a strong need for sun protection, before gradually tapering off to 6 at 4 PM, and finally dipping back to 1 by 7 PM. For those enjoying outdoor activities, midday precautions are essential to ensure safety under the vibrant sun.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	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 Butler

Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring during the summer months. High-risk months for UV exposure include April through September, when the UV Index reaches very high levels of 9 or 10, significantly reducing the safe burn time to just 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Conversely, the winter months of December and January present lower UV risks, with indices of 2 and 3, allowing for safer exposure times of 30 to 45 minutes. Overall, awareness of seasonal changes in UV levels is crucial for protecting skin health throughout the year.

Monthly Maximum UV Index for Butler, United States

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

The table above highlights how UV exposure in Butler 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.

Butler'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
Butler	3	5	6	9	9	10	10	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