UV Index in Ephrata, United States

Last updated: June 2, 2025

In Ephrata, understanding the UV Index is crucial for safeguarding your skin and overall health against the sun's harmful rays. With typical UV levels peaking at 9 during midday hours, knowing when to seek shade or apply sunscreen can mean the difference between a sunny day and painful sunburn. As a region located in the BSk climate zone, Ephrata experiences various exposures to UV radiation throughout the year, making it essential for residents to stay informed and proactive in their sun safety practices. By keeping an eye on the daily UV Index, you can enjoy outdoor activities while protecting your skin and reducing your long-term risk of damage.

Hourly UV Index in Ephrata

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
09:004moderate30 min
10:006high25 min
11:008very high15 min
12:009very high15 min
13:009very high15 min
14:009very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Ephrata

The UV Index experiences significant seasonal fluctuations, with the highest risk occurring from May through August. During this period, the UV Index reaches very high levels of 8 to 10, necessitating caution as the burn time is reduced to just 15 minutes. April also marks a transition into high-risk months with an index of 6 and a burn time of 25 minutes. In contrast, January and December present the lowest UV exposure, categorized as low with burn times of 45 minutes. For visitors and residents, it is crucial to practice sun safety by seeking shade, wearing protective clothing, and applying sunscreen, especially during the high-risk months of May to August when UV levels peak.

Monthly Maximum UV Index for Ephrata, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ephrata. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2356891087532
Data source: Statistical UV Index data for Ephrata, 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 Ephrata UV Index with Other United States Cities

The table above highlights how UV exposure in Ephrata 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.
Ephrata's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Ephrata2356891097532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975