UV Index in Cynthiana, United States

Last updated: June 2, 2025

Understanding the UV Index is vital for residents of Cynthiana, United States, where the warm Cfa climate can lead to significant sun exposure. As UV levels can soar to a peak of 10 in midday hours, awareness is key to preventing sunburn and protecting skin health. The UV Index provides essential insights into sun safety, helping you to make informed decisions about outdoor activities. With typical exposure risks peaking between 11 AM and 2 PM, staying vigilant can safeguard your well-being against the harmful effects of UV radiation while enjoying the beautiful Kentucky outdoors.

Hourly UV Index in Cynthiana

The UV Index is a dynamic measure of solar intensity throughout the day, peaking dramatically at 12:00 PM with a notable 9, reaching its zenith at 1:00 PM and 2:00 PM with a maximum value of 10. During this period, it's essential to protect your skin from harmful UV rays. Early morning hours remain quite low, peaking at just 1 by 08:00 AM, while by 10:00 AM the index climbs to 5. As the sun continues to rise, it climbs swiftly to 7 by 11:00 AM, making midday the crucial time for sunscreen and shade. As the afternoon wanes, the UV Index gradually decreases, falling back to 5 by 5:00 PM, and finally settling at 1 by 7:00 PM, signaling a safe return to outdoor activities. Stay vigilant and enjoy the sunshine safely!

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
11:007high25 min
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Cynthiana

Throughout the year, the UV Index exhibits significant seasonal changes, peaking during the summer months. From March to September, the UV Index rises sharply, reaching a maximum of 10 during the summer, indicating very high exposure risk. The high-risk months for sun exposure are April through September, when burn times shorten to just 15 minutes. Residents and visitors are advised to take proper sun safety precautions during these months, including wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours. As the UV Index lowers in October, November, and December, the burn times increase to 25-30 minutes, suggesting a decrease in risk but still warranting sun protection on sunny days.

Monthly Maximum UV Index for Cynthiana, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cynthiana. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108653
Data source: Statistical UV Index data for Cynthiana, 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 Cynthiana UV Index with Other United States Cities

The table above highlights how UV exposure in Cynthiana 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.
Cynthiana'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
Cynthiana3579101010108653
Los Angeles UVI46891011111010754
Houston UVI589111112121110975