UV Index in Start, United States

Last updated: June 2, 2025

Understanding the UV Index in Start, United States, is crucial for safeguarding your skin and overall health. With soaring UV levels peaking at 11 on sunny days, awareness can mean the difference between enjoying the outdoors and suffering painful sunburns. In this Cfa climate zone, where warm, humid summers lead to heightened sun exposure, knowing when UV radiation is at its highest helps residents take protective measures seriously. Protect yourself and your loved ones by staying informed about UV levels, ensuring safe sun enjoyment while prioritizing skin health!

Hourly UV Index in Start

Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!

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	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 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