UV Index in Stewardson, United States

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents of Stewardson, United States, where the typical climate fosters abundant sunshine. Understanding UV levels is essential not only for preventing sunburn but also for promoting long-term skin health, especially during peak hours when the index soars to a high of 11 around midday. With the region's Cfa climate, which features warm, humid summers, the risk of harmful UV exposure is significant, making it vital for locals to stay informed and protect their skin throughout the day. By keeping an eye on the UV Index, you can enjoy the outdoors responsibly while safeguarding your skin against harmful rays.

Hourly UV Index in Stewardson

The UV Index steadily climbs as the day progresses, starting from a mild 1 at 7:00 AM and reaching a peak of 11 by 1:00 PM. Sun-seekers and outdoor enthusiasts should be mindful, as the index hits a high of 10 at 12:00 PM, signaling significant UV exposure. After this peak, the index gradually decreases, dropping to 8 by 3:00 PM, and continuing to decline to 1 by 7:00 PM. For safe sun enjoyment, it’s best to take precautions during those high UV hours, particularly between 11:00 AM and 2:00 PM. Remember to sport your hats and sunscreen!

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	10	very high	15 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 Stewardson

Throughout the year, UV exposure varies significantly, with the highest risks occurring from March to September. The UV Index peaks at 11 in May and June, categorizing these months as extreme risk, where the burn time is as short as 10 minutes. April also sees a surge, with a very high exposure category at UV Index 9. As the seasons transition, October to February exhibit moderate exposure levels, with burn times of 30 minutes in January and November. Visitors and residents are advised to take precautions during high-risk months, especially from March to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risks associated with harmful UV radiation.

Monthly Maximum UV Index for Stewardson, United States

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

The table above highlights how UV exposure in Stewardson 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.

Stewardson'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
Stewardson	3	5	7	9	11	11	10	9	8	6	4	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