UV Index in Junction, United States

Last updated: May 3, 2025

Understanding the UV Index in Junction, United States is crucial for safeguarding your skin and promoting overall health. With UV levels peaking at a critical 12 during midday hours, awareness of these fluctuations can aid in preventing sunburn and reducing long-term skin damage. Junction's humid subtropical climate brings vibrant summer days, but it also carries heighted risks for UV exposure. By staying informed about the UV Index, residents and visitors can take proactive measures to enjoy the sun safely and protect their skin's integrity.

Hourly UV Index in Junction

As the sun rises on this beautiful day, the UV Index begins at a mild 1 at 7:00 AM, gradually creeping up to a moderate 3 by 9:00 AM. The heat peaks around noon, reaching a sizzling 10 at 12:00 PM, and quickly escalates to a maximum of 12 between 1:00 PM and 2:00 PM—the time to seek shade! However, as the afternoon wanes, the UV intensity tapers off, dropping to 10 at 3:00 PM, then declining to 5 by 5:00 PM. As dusk approaches, the index continues to decrease, ending the day at a comfortable 1 by 7:00 PM. Remember to protect your skin 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:005moderate30 min
11:008very high15 min
12:0010very high15 min
13:0012extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:008very high15 min
17:005moderate30 min
18:002low45 min
19:001low45 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111212121211965
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975
Junction589111212121211965