UV Index in Grants, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Grants, United States, where the climate can lead to varying levels of sun exposure. With peak UV levels reaching as high as 13 around midday, awareness of the UV Index is essential for preventing sunburn and protecting skin health. The BSk climate zone can often present risks of overexposure, making it vital for locals to stay informed about daily UV levels. By knowing when the sun's rays are strongest, you can take proactive measures to enjoy the outdoors safely while safeguarding your skin from harmful effects.

Hourly UV Index in Grants

The UV Index throughout the day demonstrates a dramatic rise, peaking at 13 between 1 PM and 2 PM. Early morning starts off gently, with a maximum of just 1 at 7 AM, gradually climbing to 2 by 8 AM. As the sun climbs higher, the intensity increases rapidly, hitting 9 at 11 AM and soaring to its zenith of 12 at noon. After this peak, the index begins its descent, tapering to 10 by 3 PM, and further dwindling to 4 by 5 PM, ultimately calming to 1 as evening approaches. This hourly ebb and flow underscores the importance of sun safety measures, particularly during the midday hours when the UV exposure can be intense.

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
10:007high25 min
11:009very high15 min
12:0012extreme10 min
13:0013extreme10 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 Grants

Throughout the year, UV exposure varies significantly, with the highest risk months being April through September when the UV Index frequently reaches extreme levels of 11 to 13. This period sees a dramatic drop in safe burn time to just 10 minutes, indicating strong precaution is necessary. In contrast, January and December represent the lowest risk months with a moderate exposure category and longer burn times of 30 minutes. Visitors and residents are advised to be particularly vigilant during the high-risk months: applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize harmful UV exposure. Remember, even on cloudy days or during cooler months, UV rays can still pose a risk, so it's essential to stay informed and protected year-round.

Monthly Maximum UV Index for Grants, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Grants. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec579111213131211864
Data source: Statistical UV Index data for Grants, 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 Grants UV Index with Other United States Cities

The table above highlights how UV exposure in Grants 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.
Grants'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
Grants579111213131211864