UV Index in Seymour, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Seymour, United States, as it serves as a vital indicator of sun exposure risk. With typical UV levels peaking between 11 AM and 2 PM, reaching a maximum of 11, awareness of these levels can significantly aid in preventing sunburn and promoting long-term skin health. Given Seymour's Cfa climate, characterized by warm summers, residents face unique challenges with increased UV radiation during peak hours. Staying informed about the UV Index not only safeguards your skin but also empowers you to enjoy the outdoors safely.

Hourly UV Index in Seymour

As the sun rises, the UV Index starts low at 1 at 07:00 and 08:00, perfect for a leisurely morning. By 09:00, it climbs to 3, signaling that it's time to enjoy some shade. The intensity peaks sharply at 12:00 with a maximum index of 10, indicating a high risk of harm from unprotected sun exposure. Continuing at 13:00 and 14:00, the index holds steady at 11, urging caution with the midday sun blazing down. As the afternoon progresses, the UV levels begin to wane, dropping to 7 by 16:00, and further decreasing to 2 by 18:00. Finally, the day winds down with a gentle 1 at 19:00, marking a safe return to outdoor activities as the sun sets. Be sure to protect your skin during those peak 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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Seymour

Throughout the year, the UV Index exhibits significant seasonal variation, with high-risk months identified from March to August. The index peaks during this period, reaching an extreme level of 12 in July and maintaining extremely high ratings of 11 in May, June, and August. Visitors and residents should exercise particular caution during these months, where the burn time is reduced to just 10 minutes under midday sun exposure. In contrast, UV exposure is moderate in January and December, with burn times of 30 minutes, and reduces to 25 minutes in February and November when the index is high. To protect themselves from harmful UV radiation, individuals should seek shade, wear protective clothing, and apply sunscreen liberally, especially during the very high and extreme exposure categories.

Monthly Maximum UV Index for Seymour, United States

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

The table above highlights how UV exposure in Seymour 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.

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