UV Index in Winfield, United States

Last updated: May 3, 2025

In Winfield, United States, being aware of the UV Index is crucial for maintaining your skin health and preventing sunburn. Understanding UV levels is essential, especially during the warm summer months when residents and visitors are frequently exposed to the sun's intense rays. With the local climate classified as Cfa, which is characterized by humid summers, Winfield experiences significant UV exposure risks, particularly between 11 AM and 1 PM, when the UV Index peaks at 11. Stay informed and protect your skin by monitoring the UV Index, ensuring your outdoor activities are enjoyable and safe!

Hourly UV Index in Winfield

Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these hours!

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	7	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	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Winfield

Throughout the year, UV levels fluctuate significantly, with high-risk months occurring between March and September. During this period, the UV Index reaches its peak, particularly in May, June, July, and August, where it consistently ranks as 11, falling into the extreme exposure category and resulting in a quick burn time of only 10 minutes. As such, visitors and residents are strongly advised to take precautions by wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak sun hours. The months of February and October present a moderate to high risk with UV Index values of 7, highlighting the importance of sun safety even during transitional seasons. With January, November, and December showing lower UV levels, the risk is reduced, but it’s still prudent to remain cautious.

Monthly Maximum UV Index for Winfield, United States

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

The table above highlights how UV exposure in Winfield 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.

Winfield'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
Winfield	4	7	8	10	11	11	11	11	9	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5