UV Index in Hilmar-Irwin, United States

Last updated: July 2, 2025

In Hilmar-Irwin, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the different levels of ultraviolet (UV) radiation can significantly aid in sunburn prevention and reduce the risk of long-term skin damage. With a climate characterized by hot, dry summers, UV exposure can peak dramatically—reaching levels as high as 11 during midday hours. Knowledge of these UV levels empowers residents to take necessary precautions, ensuring safe enjoyment of the sun while safeguarding skin health. Stay informed and proactive to embrace the sunny days ahead!

Hourly UV Index in Hilmar-Irwin

The UV Index throughout the day follows a predictable rise and fall, peaking at 11 around 1:00 PM. Starting at a modest 1 at 7:00 AM, it gradually escalates, reaching 10 by 12:00 PM, signaling the need for sun protection. As the afternoon progresses, the index dips from 11 to 8 by 3:00 PM, then declines further to 2 by 6:00 PM, and finally settles back at 1 by 7:00 PM. This data underscores the importance of taking precautions during the hours of peak UV exposure, particularly between 11:00 AM and 3:00 PM, when levels are highest and pose the greatest risk to skin health.

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
11:008very high15 min
12:0010very high15 min
13:0011extreme10 min
14:0010very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Hilmar-Irwin

As the seasons change, so does the UV Index, significantly impacting the risk of sunburn and the need for sun protection. The months of March through August see the highest UV levels, with March and April peaking at an index of 8, while May and June reach an extreme level of 11. Visitors and residents should be particularly cautious during June and July, when burn times drop to just 10 minutes at the extreme index. As we transition into fall, the UV intensity declines, with October still presenting a high index of 6, but moving to a moderate risk by November and December. It is advisable for everyone to wear protective clothing, seek shade, and use sunscreen during these high-risk months to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Hilmar-Irwin, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Hilmar-Irwin. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3588101111109643
Data source: Statistical UV Index data for Hilmar-Irwin, 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 Hilmar-Irwin UV Index with Other United States Cities

The table above highlights how UV exposure in Hilmar-Irwin 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.
Hilmar-Irwin'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
Hilmar-Irwin3588101111109643
Los Angeles UVI46891011111010754
Houston UVI589111112121110975