UV Index in Duncan, United States

Last updated: May 3, 2025

Understanding the UV Index in Duncan, United States, is crucial for maintaining your skin health and preventing sunburn. With the sun reaching its peak UV intensity during midday, awareness of UV levels can help you take necessary precautions to enjoy outdoor activities safely. Duncan's BSk climate often presents unique risks, especially during the hotter months when UV levels can escalate to a maximum of 12 around noon. By staying informed about the UV Index, you empower yourself to protect your skin while basking in the sunshine, making your time outdoors both enjoyable and safe.

Hourly UV Index in Duncan

Starting your day early pays off with a gentle UV Index of 1 at 7 AM, gradually climbing to 2 by 8 AM. As the sun continues to rise, the intensity spikes significantly, reaching a moderate 4 at 9 AM. By 10 AM, it's time to pay attention, as the UV Index soars to 6. The peak comes at 12 PM, where a high of 11 is reached, indicating a need for sun protection. The afternoon remains intense, with values sticking at 12 from 1 PM to 2 PM, before tapering off to 10 at 3 PM. The evening ushers in relief, with readings dropping to 4 by 5 PM, and winding down to 1 at 7 PM. It’s crucial to stay mindful of the sun's strength during midday hours, ensuring your skin stays protected as you enjoy the great outdoors!

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
09:004moderate30 min
10:006high25 min
11:009very high15 min
12:0011extreme10 min
13:0012extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:007high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Duncan

Throughout the year, UV Index levels exhibit notable seasonal variations, peaking during the summer months. The highest risk for sun exposure occurs from March to September, with the UV Index reaching extreme levels of 11 to 13, necessitating minimal burn times of just 10 minutes. April, May, June, July, and August are particularly critical months, where it's essential for visitors and residents to take precautions such as wearing protective clothing, applying sunscreen, and seeking shade during midday hours. Conversely, January, February, and December present moderate to high levels of UV exposure, with longer burn times of 30 to 25 minutes. To ensure safety year-round, individuals are advised to stay informed about the UV Index and make sun-smart choices, especially during peak months.

Monthly Maximum UV Index for Duncan, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Duncan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121211864
Data source: Statistical UV Index data for Duncan, 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 Duncan UV Index with Other United States Cities

The table above highlights how UV exposure in Duncan 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.
Duncan'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
Houston UVI589111112121110975
Duncan5710111213121211864