UV Index in Nortonville, United States

Last updated: August 1, 2025

Staying informed about the UV Index is crucial for residents of Nortonville, United States. Understanding the UV levels not only helps in preventing painful sunburns but also plays a vital role in safeguarding your long-term skin health. Nortonville's Cfa climate brings warm conditions that can lead to higher UV exposure, especially around midday when the index peaks at 10. By being aware of the daily UV readings, you can better protect yourself and your loved ones from harmful rays during those critical hours.

Hourly UV Index in Nortonville

The UV Index for today presents a clear picture of sunshine intensity hours. Starting off at a gentle 1 by 7:00 AM, the index begins to rise steadily, reaching 2 by 8:00 AM. By 10:00 AM, it escalates to a moderate 5, but the real peak occurs between 12:00 PM and 2:00 PM, where it hits a soaring 10—a sign to seek shade and wear protection! As afternoon transitions to evening, the index gracefully descends, dropping to 4 by 5:00 PM, and settling at a soft 1 by 7:00 PM, making for a comfortable end to the day. Stay safe and enjoy your sunlit hours while keeping an eye on that UV Index!

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
10:004moderate30 min
11:007high25 min
12:009very high15 min
13:0010very high15 min
14:009very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Nortonville

Throughout the year, seasonal UV changes reflect a pattern of increasing intensity from winter to summer and a decline toward winter again. High-risk months occur from March to August, peaking in June and July when the UV Index reaches an extreme level of 11, with a burn time of just 10 minutes. During these months, residents and visitors should take extra precautions, such as seeking shade, wearing protective clothing, and applying sunscreen regularly, especially between 10 a.m. and 4 p.m. As the fall approaches, UV levels gradually decrease, but caution should still be exercised in September and early October when UV values remain elevated. Overall, ensuring proper skin protection is crucial during the high-risk periods to mitigate the dangers of UV exposure.

Monthly Maximum UV Index for Nortonville, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nortonville. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: Statistical UV Index data for Nortonville, 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 Nortonville UV Index with Other United States Cities

The table above highlights how UV exposure in Nortonville 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.
Nortonville'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
Nortonville3569101111109643
Los Angeles UVI46891011111010754
Houston UVI589111112121110975