UV Index in Seymour, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Seymour, United States, where sunny skies and varying UV levels can pose significant risks to skin health. With peak UV levels often reaching as high as 12 during midday, awareness is essential to prevent sunburn and long-term skin damage. The Cfa climate in Seymour, characterized by humid subtropical conditions, amplifies the need for vigilance, especially during the warmer months. By staying informed about UV index readings, you can better protect yourself and enjoy the outdoors safely.

Hourly UV Index in Seymour

The UV Index throughout the day tells an intriguing story of rising intensity and afternoon peaks. Starting from a gentle 1 at 07:00, it gradually ascends, reaching 5 by 10:00. The sun's power is unmistakable as it climbs to an impressive 10 at noon and skyrockets to a blistering 12 by 14:00—the highest point of the day. As the afternoon wanes, the index begins to dip, returning to 5 at 17:00 and then gently fading to 1 by 19:00, signaling the end of the day. This data highlights the importance of sun protection during the peak hours, particularly between 11:00 and 15:00, when UV exposure can be most harmful. Stay safe and enjoy the sunshine wisely!

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	2	low	45 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 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