UV Index in Norris, United States

Last updated: August 1, 2025

Understanding the UV Index is vital for residents of Norris, United States, where sunny days can easily lead to harmful sun exposure. Knowing the UV levels helps you take essential precautions to prevent sunburn and maintain skin health, especially during peak hours around midday. Norris, situated in a Cfa climate zone, experiences significant UV radiation, with indices reaching as high as 11 in the early afternoon, making it crucial to pay attention to these levels to protect yourself and your loved ones. Safeguarding your skin today can lead to healthier tomorrows!

Hourly UV Index in Norris

The UV Index today presents a dynamic profile, beginning at a calm 1 by 07:00 and remaining low until it reaches 2 by 09:00. The real action starts around 10:00, where the index jumps to 5, setting the stage for peak sunlight. By 12:00, the index soars to a significant 9, creating a strong midday sun that only intensifies, peaking at an impressive 11 between 13:00 and 14:00. As the afternoon progresses, the intensity starts to wane, dipping to 9 at 15:00, then 7 by 16:00, and gradually easing to a gentle 3 as evening approaches. By 19:00, the index falls back to 1, indicating a safe time to enjoy the sunset. Remember to protect your skin during the highest UV exposure 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	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Norris

Throughout the year, UV exposure levels vary significantly, with high-risk months typically occurring from March to August when the UV Index reaches its peak at 11, categorized as extreme. March and April also feature very high levels, making these months crucial for sun safety awareness. Visitors and residents should be particularly cautious during this period, applying sunscreen regularly, wearing protective clothing, and seeking shade during peak hours. In contrast, the months of January, November, and December present a moderate UV Index of 3 to 5, allowing for more relaxed precautions, though it's still important to remain mindful of sun exposure. Always check local UV forecasts and adjust your sun safety practices accordingly to protect your skin year-round.

Monthly Maximum UV Index for Norris, United States

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

The table above highlights how UV exposure in Norris 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.

Norris'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
Norris	3	6	8	10	11	11	11	10	9	7	5	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