UV Index in Greenback, United States

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Greenback, United States, where the climate brings warm summers and variable cloud cover. By being aware of UV levels, you can effectively prevent sunburn and protect your skin health throughout the day. In Greenback, the UV Index can peak at a staggering 11 around midday, indicating an extreme risk of harm from unprotected sun exposure. As you plan your day, keep in mind the typical UV exposure risks and take necessary precautions to enjoy the sunshine safely!

Hourly UV Index in Greenback

As the sun rises, the UV Index gradually increases from a low of 1 at 07:00, signaling a relatively mild start to the day. By 10:00, it reaches a moderate 4, but the real intensity kicks in around 11:00, peaking at a staggering 11 by 13:00. This two-hour stretch showcases the sun's strength, making it crucial for sun safety awareness. As the afternoon wanes, the UV Index starts to decline, falling back to 7 by 16:00 and settling at a gentle 3 by 18:00. With this data, remember to protect your skin during those peak hours to enjoy the sunny day safely!

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	8	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 Greenback

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 Greenback, United States

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

The table above highlights how UV exposure in Greenback 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.

Greenback'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
Greenback	3	6	8	10	11	11	11	10	9	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5