UV Index in Start, United States

Last updated: May 3, 2025

In Start, United States, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents plan outdoor activities more safely, particularly during peak hours when the UV Index reaches a maximum of 12 around noon. This implies a significant risk for harmful UV exposure, especially in the Cfa climate, characterized by hot summers and adequate sunlight. By staying informed about the UV Index, you can protect yourself and your loved ones from potential skin damage while enjoying the beautiful weather that Start has to offer.

Hourly UV Index in Start

As the sun rises, the UV Index begins its ascent, starting from a gentle 1 at 07:00. By 09:00, it hits 4, signaling a moderate increase. The real ascent occurs from 10:00 onward, peaking at an intense 12 by 13:00, where sun protection becomes essential. This peak is followed by a brief dip, as the index drops to 9 at 15:00, before tapering off towards the evening. As the day comes to a close, UV levels reduce to 3 at 17:00 and settle back to 1 by 19:00, highlighting the critical hours for sun exposure between 11:00 and 14:00. Stay safe and protect your skin during those peak UV times!

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	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Start

Throughout the year, UV exposure varies significantly, with high-risk months occurring from March to August. During this period, the UV Index reaches extreme levels of 11 to 12, necessitating vigilant sun protection measures, as burn times drop to just 10 minutes. April and June stand out as peak months for UV intensity. In contrast, January and December present moderate UV conditions, allowing for longer exposure times of 30 minutes. To ensure safety, visitors and residents are advised to seek shade, wear protective clothing, and apply broad-spectrum sunscreen, especially during the high-risk months, when the sun's rays are the strongest.

Monthly Maximum UV Index for Start, United States

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

The table above highlights how UV exposure in Start 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.

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