UV Index in Moscow, United States

Last updated: August 1, 2025

In Moscow, United States, staying aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels is crucial, especially as high exposure can lead to painful sunburns and long-term skin damage. With a Csb climate, characterized by cool summers and varying cloud cover, residents face unique risks during sunny days, especially between 10 AM and 2 PM when the UV Index peaks at 10—indicating a very high risk of harm from unprotected sun exposure. By being informed about UV levels, you can make smarter choices to enjoy the sun safely!

Hourly UV Index in Moscow

As the sun rises, the UV Index starts its ascent, with a gentle 1 at 07:00. By 08:00, it begins to climb, reaching 2, signaling a reminder to take care. The real intensity kicks in at 10:00, where the index peaks at 6, escalating to a scorching 9 by noon. The hottest moment arrives at 13:00, showcasing a dramatic 10—a level that demands serious sun protection. Although the UV level begins to drop after this peak, it remains notable; at 14:00, it settles at 9, then declines gently, hitting 3 by 17:00. As daylight fades towards the evening, it tapers off to 2 at 18:00 and finally returns to a safe 1 by 19:00. It's a vivid reminder of the sun's power throughout the day!

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
16:004moderate30 min
17:003moderate30 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Moscow

Throughout the year, UV Index values exhibit significant seasonal variations, reflecting changes in sun exposure risk. January and December showcase the lowest UV levels (Index 2), categorized as low, with longer burn times of 45 minutes. As the year progresses, UV levels rise sharply; April sees a high index of 7, while May and June peak at 9, indicating a very high risk with an alarming burn time of just 15 minutes. The highest risk month is July, with a peak UV index of 10. As summer wanes, UV levels gradually decrease, with September reverting to a high risk of 7 and returning to a moderate index in October and November. Visitors and residents should be particularly vigilant from April to August, applying sunscreen frequently and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Moscow, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Moscow. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2457991097532
Data source: Statistical UV Index data for Moscow, 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 Moscow UV Index with Other United States Cities

The table above highlights how UV exposure in Moscow 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.
Moscow's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Moscow2457991097532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975