UV Index in De Witt, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of De Witt, United States, where sun exposure can lead to significant health consequences, particularly during the warmer months. With peak UV levels reaching as high as 11 around midday, it's essential to grasp the implications of these readings for sunburn prevention and overall skin health. The Cfa climate in De Witt means warm summers and moderate UV exposure; however, even on overcast days, harmful rays can penetrate through clouds. Staying informed about the UV Index not only helps in planning outdoor activities wisely but also empowers you to protect your skin effectively when the sun is at its strongest.

Hourly UV Index in De Witt

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!

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	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	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