UV Index in Swift Trail Junction, United States

Last updated: May 3, 2025

Awareness of the UV Index is crucial for residents and visitors of Swift Trail Junction, where the BSk climate brings its own unique set of sun exposure challenges. Understanding UV levels plays a vital role in preventing sunburn and promoting long-term skin health. With peak UV Index readings soaring to 12 during midday, it's essential to protect your skin against harmful rays while enjoying the region's beautiful landscapes. Being informed about these UV levels allows you to enjoy the outdoors safely, ensuring that your adventures in this picturesque area are both exciting and responsible.

Hourly UV Index in Swift Trail Junction

The UV Index for the day reveals a dynamic shift in sun exposure, peaking dramatically between 11:00 AM and 1:00 PM. Starting the morning with a mild maximum of 2 at 7:00 AM, the index steadily rises, reaching 12 by midday—an indication of high risk for harm from unprotected sun exposure. As the afternoon progresses, it dips to 10 at 2:00 PM and then gradually decreases to a more moderate level of 4 by 4:00 PM. By the evening, the UV Index settles back down to 1 by 6:00 PM, signaling a safe time to enjoy the outdoors again. 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
07:002low45 min
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0012extreme10 min
14:0010very high15 min
15:007high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Swift Trail Junction

Throughout the year, UV exposure varies significantly, with notable increases as we move from winter into summer. January begins with a moderate UV Index of 5, and while the risk starts low, it escalates quickly, peaking in the summer months. February sees a rise to a high UV Index of 7, and by March, it reaches 10, indicating a very high risk. The extreme category of UV Index 12 persists from May through August, marking these as the highest risk months for UV exposure, with a burn time as short as 10 minutes. As fall sets in, the UV Index decreases to 8 in October and 6 in November, with exposure categorizing back to very high and high, respectively. By December, the UV Index drops to 4, indicating a return to moderate exposure. Visitors and residents are advised to practice sun safety measures—including wearing sunscreen, protective clothing, and seeking shade, especially during the peak months of April to September when UV levels are most hazardous.

Monthly Maximum UV Index for Swift Trail Junction, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Swift Trail Junction. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec5710111212121211864
Data source: Statistical UV Index data for Swift Trail 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 Swift Trail Junction UV Index with Other United States Cities

The table above highlights how UV exposure in Swift Trail 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.
Swift Trail 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
Swift Trail Junction5710111212121211864