UV Index in Ackley, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Ackley, United States, where the risk of sun exposure can vary significantly throughout the day. As you enjoy the beautiful seasons characteristic of the local Dfa climate, being aware of UV levels helps in preventing sunburn and protecting your skin health. With peaks reaching an index of 11 around midday, it's vital to take precautions on sunny days, ensuring your outdoor activities are enjoyable and safe. Embrace the warmth of Ackley while prioritizing your skin's well-being!

Hourly UV Index in Ackley

As the day unfolds, the UV Index rises steadily, peaking at 11 around 1 PM—a clear signal for sun protection. Starting from a low of just 1 at 7 AM, it escalates through the morning, hitting 8 by 11 AM. At 12 PM, the intensity reaches a significant 10, before slightly diminishing to 9 at 3 PM and tapering off rapidly in the afternoon. As the sun begins to set, the UV levels drop to 4 by 5 PM, finally settling back to 1 by 7 PM. With this clear UV trajectory, staying cautious during the peak hours, especially from 11 AM to 2 PM, is essential for skin safety. Don your sunscreen and enjoy the sun responsibly!

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	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	9	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 Ackley

Throughout the year, the UV Index exhibits notable fluctuations, with high-risk months typically falling between April and September. During this period, the UV Index peaks in June at a severe level of 11, signifying an extreme exposure category with a burn time of just 10 minutes. Following closely are May and July, both rated as very high with indices of 9 and 10 respectively, while April and August maintain a very high category as well, with indices reaching 8. As winter approaches, the UV Index drops to a moderate level in January, February, November, and December, offering safer exposure times of up to 30 minutes. To protect yourself during peak UV times, especially from April to September, it's crucial to apply sunscreen regularly, wear protective clothing, and limit sun exposure during mid-day hours.

Monthly Maximum UV Index for Ackley, United States

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

The table above highlights how UV exposure in Ackley 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.

Ackley'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
Ackley	3	5	6	8	9	11	10	9	8	6	3	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