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 overall health. With high UV levels peaking around midday, awareness of these changes can help you prevent sunburn and long-term skin damage. Junction’s Dfb climate exposes residents and visitors to significant UV risks, particularly during the summer months when UV ratings can soar as high as 11. By staying informed about UV Index levels, you can take proactive steps to protect yourself, ensuring that your time outdoors remains enjoyable and safe.

Hourly UV Index in Junction

As the sun rises, the UV Index starts low at 1 at 07:00 and 08:00, perfect for a leisurely morning. By 09:00, it climbs to 3, signaling that it's time to enjoy some shade. The intensity peaks sharply at 12:00 with a maximum index of 10, indicating a high risk of harm from unprotected sun exposure. Continuing at 13:00 and 14:00, the index holds steady at 11, urging caution with the midday sun blazing down. As the afternoon progresses, the UV levels begin to wane, dropping to 7 by 16:00, and further decreasing to 2 by 18:00. Finally, the day winds down with a gentle 1 at 19:00, marking a safe return to outdoor activities as the sun sets. Be sure 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
13:0011extreme10 min
14:0011extreme10 min
15:0010very high15 min
16:007high25 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Junction

The UV Index experiences notable seasonal changes throughout the year, reaching its peak during the summer months. April through August are considered high-risk months for UV exposure, with indices consistently at 11-12, categorizing them as extreme. In these months, the burn time is reduced significantly to just 10 minutes, underscoring the need for protective measures. As the year transitions into fall, the UV Index begins to decline, with October and November still maintaining a high rating of 6-7. To ensure safety, both residents and visitors should be vigilant during the high-risk months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. In contrast, during January and December, when the UV Index drops to 4, the risk is lower, allowing for more leisurely outdoor activities without as much concern for sunburn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110764
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
Junction479111112121110764
Houston UVI589111112121110975