UV Index in Franklin, United States

Last updated: May 3, 2025

Understanding the UV Index in Franklin, United States is crucial for protecting your skin and maintaining overall health. With peak UV levels reaching 10 during midday hours, awareness of these measurements can significantly aid in sunburn prevention and reduce the risk of long-term skin damage. Franklin's Cfa climate brings warm summers and comfortable seasons, making outdoor activities enjoyable but also increasing UV exposure risks. By keeping an eye on the UV Index, residents can make informed decisions when stepping outside, ensuring a safe experience under the sun.

Hourly UV Index in Franklin

As the sun rises, the UV Index begins its gradual ascent, starting at a mild 1 at 07:00. By 08:00, it reaches 2, indicating a low risk, perfect for morning strolls. The intensity picks up at 09:00, hitting 3, and then surges to 6 by 10:00. From 11:00 to 13:00, the index escalates dramatically, peaking at an intense 10, marking the hours when sun protection is crucial. The afternoon maintains this peak, with 10 persisting until 14:00. As the day progresses, the evening brings relief; the index drops to 8 at 15:00, and gradually declines to 3 by 17:00, and finally retreats to 1 by 19:00. This hourly data highlights the importance of seeking shade and using sunscreen during midday hours to ensure safety under the sun.

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
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Franklin

During the year, the UV Index fluctuates significantly, peaking in the summer months. January and December both show a moderate UV Index of 3, allowing for a burn time of 30 minutes. As winter transitions to spring, February sees an increase to 6, while the onset of spring in March and April escalates the index to very high levels of 8 and 9, respectively. The highest risk occurs in June and July, where the UV Index reaches an extreme 11, with a burn time as short as 10 minutes. Visitors and residents are strongly advised to take extra precautions during these high-risk months, particularly from March through August, by applying sunscreen, wearing protective clothing, and seeking shade to minimize exposure. September and October still maintain a very high index, so vigilance is advised. As we move into autumn and winter, the UV Index gradually decreases, making it a safer season for outdoor activities.

Monthly Maximum UV Index for Franklin, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Franklin. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3689101111109753
Data source: Statistical UV Index data for Franklin, 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 Franklin UV Index with Other United States Cities

The table above highlights how UV exposure in Franklin 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.
Franklin'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
Franklin3689101111109853
Los Angeles UVI46891011111010754
Houston UVI589111112121110975