UV Index in Knox City, United States

Last updated: July 2, 2025

In Knox City, United States, awareness of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps residents take preventive measures against sunburn and long-term skin damage, especially during the peak hours when exposure is highest. With its BSk climate, Knox City experiences significant UV intensity, particularly between 10 AM and 2 PM, when the index can soar to levels of 10 to 12. By staying informed about the UV Index, locals can enjoy the outdoors safely while safeguarding their skin against harmful rays.

Hourly UV Index in Knox City

The UV Index throughout the day tells an intriguing story of rising intensity and afternoon peaks. Starting from a gentle 1 at 07:00, it gradually ascends, reaching 5 by 10:00. The sun's power is unmistakable as it climbs to an impressive 10 at noon and skyrockets to a blistering 12 by 14:00—the highest point of the day. As the afternoon wanes, the index begins to dip, returning to 5 at 17:00 and then gently fading to 1 by 19:00, signaling the end of the day. This data highlights the importance of sun protection during the peak hours, particularly between 11:00 and 15:00, when UV exposure can be most harmful. Stay safe and enjoy the sunshine wisely!

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
09:002low45 min
10:005moderate30 min
11:007high25 min
12:0010very high15 min
13:0011extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:008very high15 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Knox City

Throughout the year, the UV Index exhibits significant seasonal variation, with high-risk months identified from March to August. The index peaks during this period, reaching an extreme level of 12 in July and maintaining extremely high ratings of 11 in May, June, and August. Visitors and residents should exercise particular caution during these months, where the burn time is reduced to just 10 minutes under midday sun exposure. In contrast, UV exposure is moderate in January and December, with burn times of 30 minutes, and reduces to 25 minutes in February and November when the index is high. To protect themselves from harmful UV radiation, individuals should seek shade, wear protective clothing, and apply sunscreen liberally, especially during the very high and extreme exposure categories.

Monthly Maximum UV Index for Knox City, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Knox City. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110864
Data source: Statistical UV Index data for Knox City, 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 Knox City UV Index with Other United States Cities

The table above highlights how UV exposure in Knox City 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.
Knox City'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
Knox City468101111121110864
Houston UVI589111112121110975