UV Index in De Witt, United States

Last updated: July 2, 2025

Understanding the UV Index in De Witt, United States is essential for protecting your skin and maintaining overall health. As the sun’s rays can become increasingly intense throughout the day, being aware of UV levels helps in preventing sunburn and reducing the long-term risks of skin damage. In this Cfa climate zone, with its humid continental climate, De Witt experiences significant UV exposure, especially during the midday hours when the index peaks at 11. By staying informed about daily UV readings, residents can enjoy the outdoors while taking the necessary precautions to safeguard their skin's health.

Hourly UV Index in De Witt

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 De Witt

Throughout the year, seasonal UV changes indicate that the highest UV exposure occurs during the summer months of May through August, with UV Index readings reaching extreme levels of 11 to 12 and a burn time as short as 10 minutes. The high-risk months are clearly March through September, particularly April and May when the UV Index peaks at 10 and 11. As a reminder, visitors and residents should take precautions during these months by wearing sunscreen, using protective clothing, and seeking shade to minimize harmful UV exposure. In the shoulder months of October and November, while the risk decreases, it's still important to remain vigilant with a UV Index of 6 and 7, as sunburn can still occur with prolonged exposure.

Monthly Maximum UV Index for De Witt, United States

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

The table above highlights how UV exposure in De Witt 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.

De Witt'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
De Witt	4	6	8	10	11	12	11	11	9	7	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5