UV Index in Marathon, United States

Last updated: May 3, 2025

In the sunny paradise of Marathon, United States, awareness of the UV Index is crucial for protecting your skin and promoting overall health. With climate conditions that often see elevated UV levels, understanding the daily fluctuations in UV exposure can help you prevent sunburn and long-term skin issues. On typical days, such as those displayed in our UV Index data, you can experience a maximum UV reading of 12 around noon, signaling a high risk of harm from unprotected sun exposure. Stay informed and safeguard your skin by monitoring the UV levels in Marathon, ensuring safe enjoyment of the beautiful outdoors.

Hourly UV Index in Marathon

As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed hours!

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
09:003moderate30 min
10:005moderate30 min
11:008very high15 min
12:0011extreme10 min
13:0012extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:007high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Marathon

The UV Index experiences significant fluctuations throughout the year, with the most intense exposure occurring from March to September. During this period, particularly in April through September, the UV Index reaches an extreme level of 12-13, with a burn time of just 10 minutes; thus, these months are considered high-risk for skin damage. February and March also pose considerable risks, with very high indexes of 9 and 10 respectively, and burn times as low as 15 minutes. As the year progresses into the cooler months, UV levels decrease, with January and December maintaining a high category but allowing for longer burn times of 25 minutes. Visitors and residents are advised to take preventive measures during high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours.

Monthly Maximum UV Index for Marathon, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Marathon. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec79111212131212111086
Data source: Statistical UV Index data for Marathon, 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 Marathon UV Index with Other United States Cities

The table above highlights how UV exposure in Marathon 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.
Marathon'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
Los Angeles UVI46891011111010754
Houston UVI589111112121110975
Marathon79101212131212121086