UV Index in Moscow, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Moscow, United States, as it provides essential information on the levels of ultraviolet radiation and helps mitigate risks associated with sun exposure. With a peak index of 9 around midday, knowing when to seek shade or apply sunscreen can significantly aid in preventing sunburn and maintaining long-term skin health. Given Moscow's mild climate and its distinct seasons, UV exposure can vary throughout the year, making it all the more important to stay informed about daily UV levels to protect yourself and enjoy the sunshine safely.

Hourly UV Index in Moscow

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 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