UV Index in Junction, United States

Last updated: July 2, 2025

Understanding the UV Index in Junction, United States is crucial for safeguarding your skin health against potential sun damage. With UV levels peaking at a high of 12 during midday, the risk of sunburn is significant, especially for those spending extended periods outdoors. The Cfa climate in Junction contributes to pronounced UV exposure, making awareness essential for residents and visitors alike. By staying informed about daily UV levels, you can take proactive steps to protect yourself and enjoy the sunny, vibrant outdoors without compromising your well-being. Remember, a little vigilance goes a long way in preventing long-term skin issues!

Hourly UV Index in Junction

The UV Index today showcases a dramatic climb as the sun rises. Starting at a low of 1 between 7:00 and 9:00, it sharply escalates to 7 at 11:00, peaking at an intense 12 from 13:00 to 14:00. This midday sun signals a high risk for skin exposure, reminding us to take precautions. As the afternoon wanes, the index gradually declines to 5 by 17:00, then settles back to 1 by 19:00. Remember to stay protected during those peak 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	5	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Junction

The UV Index experiences significant seasonal variations, with the highest levels occurring from April to September, where values peak at 12, indicating an extreme risk of harm from unprotected sun exposure. February and March also pose substantial risks with very high levels of 8 and 9, respectively. Notably, the high-risk months for UV exposure are April through September, when the burn time shrinks to as little as 10 minutes. Visitors and residents should take precautionary measures during these months, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when UV radiation is strongest. During the cooler months of January, November, and December, the UV index remains moderate to high, but with longer burn times, reminding everyone to stay vigilant about sun safety year-round.

Monthly Maximum UV Index for Junction, United States

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

The table above highlights how UV exposure in Junction 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.

Junction'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
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5
Junction	5	8	9	11	12	12	12	12	11	9	6	5