UV Index in Sterling, United States

Last updated: May 3, 2025

Understanding the UV Index in Sterling, United States is crucial for protecting your skin from harmful ultraviolet rays. As outdoor enthusiasts enjoy the beautiful Dfc climate, which offers warm summers and chilly winters, it's essential to remain aware of varying UV levels throughout the day. High UV exposure risks, particularly around midday when the index peaks at 6, highlight the importance of taking preventive measures against sunburn and long-term skin damage. By staying informed about the UV Index, you can better protect your skin health and enjoy the outdoors responsibly.

Hourly UV Index in Sterling

Throughout the day, the UV Index experiences a notable rise, peaking during the early afternoon. Starting from a mild 1 at 7:00 AM, it gradually escalates, reaching a moderate 2 by 9:00 AM. The intensity grows rapidly, hitting 4 by 11:00 AM, and then surging to its maximum of 6 between 1:00 PM and 2:00 PM. As the afternoon progresses, the UV Index starts to decline, dropping to 4 by 5:00 PM and tapering off to a comfortable 2 by 7:00 PM. For outdoor enthusiasts, it's essential to protect your skin, especially when the index is elevated; the highest risk is present from noon to 2 PM. Stay safe and enjoy the sun!

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	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	6	high	25 min
14:00	6	high	25 min
15:00	5	moderate	30 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Sterling

The UV Index shows a clear seasonal variation, with exposure levels peaking during the warmer months. High-risk months for UV exposure occur from May to August, with indices reaching 6 to 7 and burn times as short as 25 minutes. March and April see moderate levels of UV at indices 3 and 4, while the rest of the year, from October to February, presents low UV exposure with longer burn times of up to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months by using sunscreen, wearing protective clothing, and seeking shade, especially during peak sunlight hours. Maintaining awareness of the UV Index can help ensure enjoyable and safe outdoor activities year-round.

Monthly Maximum UV Index for Sterling, United States

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

The table above highlights how UV exposure in Sterling 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.

Sterling'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
Sterling	1	2	3	4	6	6	7	6	4	2	1	1
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
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5