UV Index in Harrison, United States

Last updated: August 1, 2025

In Harrison, United States, understanding the UV Index is essential for safeguarding your skin and overall health. With summer temperatures soaring and UV levels peaking—reaching a maximum of 9 around midday—awareness can significantly reduce the risk of sunburn and long-term skin damage. The Dfb climate in Harrison brings unique challenges, such as high UV exposure during clear days. By keeping an eye on the UV Index, you can take proactive steps to protect yourself and enjoy the outdoors safely. Remember, awareness is your best defense against the sun's harmful rays!

Hourly UV Index in Harrison

The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.

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
09:003moderate30 min
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:009very high15 min
14:008very high15 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Harrison

Throughout the year, the UV Index experiences notable fluctuations, indicating varying levels of sun exposure risk. From January to March, the UV Index hovers at moderate levels (3 to 5), with a burn time of approximately 30 minutes. The high-risk months emerge in April through August, peaking in June at a UV Index of 10, where the burn time shrinks to just 15 minutes. September sees a decrease to a high level of 7, while October through December gradually lower the UV Index back to moderate and low levels (3 to 2), allowing for longer burn times of 30 to 45 minutes. Visitors and residents should prioritize sun safety measures, especially from April to August, by wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize their risk of UV-related health issues.

Monthly Maximum UV Index for Harrison, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Harrison. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3457910997532
Data source: Statistical UV Index data for Harrison, 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 Harrison UV Index with Other United States Cities

The table above highlights how UV exposure in Harrison 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.
Harrison's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Harrison3457910997532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975