UV Index in Clarksville, United States

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Clarksville, United States, as it provides essential information about daily sun exposure and helps prevent skin damage. With summer temperatures soaring and average UV exposure levels peaking around noon, knowing when to seek shade and don protective clothing is vital for sunburn prevention and overall skin health. Clarksville’s humid subtropical climate can lead to increased UV radiation, especially during the peak hours of 10 AM to 2 PM, when indices can reach up to 11. By staying informed, you can enjoy the sunny days while keeping your skin safe and healthy.

Hourly UV Index in Clarksville

The UV Index for the day showcases a dynamic rise and fall, peaking at a remarkable 11 around 1 PM. Early risers will note a gentle start with values of 1 at 7 AM, slowly increasing to 2 by 8 AM. As the sun continues its ascent, the index escalates rapidly, reaching 4 by 9 AM and 7 by 10 AM. The intensity peaks at 12 PM, hitting a stunning 10, and shortly after, the day's highest value of 11 at 1 PM. As the afternoon wanes, the UV levels begin to decline, dropping to 8 at 3 PM, and further decreasing to 3 by 5 PM, before settling back to a safe 1 by 6 PM and 7 PM. Pay attention to this pattern, as it highlights the hours when sun safety is crucial!

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
08:002low45 min
09:003moderate30 min
10:006high25 min
11:008very high15 min
12:0010very high15 min
13:0010very high15 min
14:009very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Clarksville

During the year, UV Index levels exhibit notable seasonal changes, with the highest risk months occurring from April to August. April and May both feature a very high UV Index of 10, while June and July reach an extreme level of 11, necessitating vigilant sun protection. The burn time decreases significantly during these months, dropping to just 10 minutes in June and July. Conversely, UV levels are moderate in January, November, and December, allowing for longer burn times of 30 minutes. Residents and visitors are advised to take precautions, especially during high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of overexposure. Awareness of these UV changes is crucial for maintaining skin health throughout the year.

Monthly Maximum UV Index for Clarksville, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Clarksville. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109753
Data source: Statistical UV Index data for Clarksville, 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 Clarksville UV Index with Other United States Cities

The table above highlights how UV exposure in Clarksville 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.
Clarksville'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
Clarksville36710101111109753
Los Angeles UVI46891011111010754
Houston UVI589111112121110975