UV Index in Twisp, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Twisp, Washington, as it plays a vital role in protecting skin health and preventing sunburn. The varying UV levels throughout the day highlight the importance of awareness, especially during peak hours when the index reaches as high as 9 around midday. Twisp's Dsb climate brings long summer days with elevated UV exposure, meaning proper precautions are essential. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from harmful rays.

Hourly UV Index in Twisp

As the sun rises, the UV Index begins its ascent. At 07:00, it starts at a mild 1, but by 08:00, it doubles to 2, signaling a gentle increase in sun exposure. The intensity peaks around 12:00 with a striking 9, just moments before it maintains its high at 13:00 and 14:00. This is the time when sunscreen is a must! By 15:00, a slight decline to 7 occurs, followed by a steady drop, reaching 5 at 16:00 and tapering off to 2 by 18:00. Finally, as the day winds down, the index falls back to a safe 1 by 19:00. Whether you're enjoying a midday picnic or taking a sunset stroll, be aware of the UV levels throughout the day for a safe and enjoyable experience!

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
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Twisp

Throughout the year, UV Index levels vary significantly, indicating changing sun exposure risks. The months of May through August are particularly notable, as they experience a very high UV Index of 9, with a burn time of only 15 minutes—marking them as high-risk months for sunburn. In contrast, the winter months of January and December show a low UV Index of 2, allowing up to 45 minutes of exposure with minimal risk. As spring transitions into summer, it's vital for both visitors and residents to take precautions during the high-risk months: wear sunscreen, seek shade during peak hours, and consider protective clothing to reduce UV exposure. As the season shifts into fall and winter, the risk decreases, but staying informed remains essential year-round.

Monthly Maximum UV Index for Twisp, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Twisp. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Statistical UV Index data for Twisp, 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 Twisp UV Index with Other United States Cities

The table above highlights how UV exposure in Twisp 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.
Twisp's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Twisp246799997532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975