UV Index in Willow, United States

Last updated: June 2, 2025

Understanding the UV Index in Willow, United States is crucial for protecting your skin health and preventing sunburn. With a climate classified as Dfc, Willow experiences unique UV exposure risks, especially during the midday hours when the index can reach levels as high as 6. By being aware of the UV levels throughout the day, residents can take proactive measures to safeguard their skin, ensuring enjoyable outdoor activities without the consequences of harmful UV rays. Remember, even on seemingly mild days, staying informed about the UV Index is key to maintaining your well-being in this picturesque region.

Hourly UV Index in Willow

As the day begins, the UV Index starts at a very low level of 1 at 07:00 and 08:00, urging early risers to enjoy the gentle sunlight safely. By 09:00, it climbs to 2, indicating a slight increase in UV exposure. As the hours progress, the sun's intensity peaks at 12:00 and 13:00, reaching a maximum of 5—perfect for those looking to soak up some rays but remember to apply sunscreen! The afternoon marks the highest UV risks, peaking at 14:00 with a UV index of 6, before gradually declining to 4 by 17:00. As evening approaches, the index decrements back down to 2 by 19:00, offering a safer environment for those who may be out and about. Stay sun-smart and enjoy the daylight hours wisely!

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
08:001low45 min
09:002low45 min
10:003moderate30 min
11:004moderate30 min
12:005moderate30 min
13:005moderate30 min
14:006high25 min
15:005moderate30 min
16:005moderate30 min
17:004moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Willow

Throughout the year, UV levels show significant seasonal variation, with January to February having a low UV Index of 1, allowing for 45 minutes of safe sun exposure. As spring approaches, March to April sees an increase in UV levels to 3, categorized as moderate, with a burn time of 30 minutes. This trend continues into May with a moderate UV Index of 5, and shifts to high in June and July, both carrying a UV Index of 6 and a reduced burn time of 25 minutes—these are considered high-risk months for UV exposure. In August, the UV Index decreases to 5, followed by a slight drop to 4 in September, indicating moderate risk once again, with a burn time back at 30 minutes. The year ends with low UV levels in October through December, each with a UV Index of 1 or 2, and a comfortable burn time of 45 minutes. Visitors and residents should shield themselves during the higher UV Index months, particularly from June to August, by wearing protective clothing, sunscreen, and limiting exposure during peak sun hours to reduce the risk of skin damage.

Monthly Maximum UV Index for Willow, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Willow. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Statistical UV Index data for Willow, 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 Willow UV Index with Other United States Cities

The table above highlights how UV exposure in Willow 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.
Willow's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Willow113356654211
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975