UV Index in Troy, United States

Last updated: July 2, 2025

In Troy, United States, awareness of the UV Index is crucial for safeguarding your skin health, especially during the summer months when the sun's rays are most intense. Understanding UV levels helps in preventing sunburn and reduces the risk of long-term skin damage. With Troy's Dsb climate, characterized by warm summers and varied sunlight exposure throughout the day, it’s essential to keep an eye on the UV Index—particularly peaking at levels 8 to 9 between noon and 3 PM. Stay informed and enjoy the sunny days while protecting your skin!

Hourly UV Index in Troy

The UV Index data for the day reveals a dynamic and intense sun exposure. Starting off with a maximum of 1 at 7:00 AM and 8:00 AM, it quickly rises to 2 by 9:00 AM. The sun reaches its peak intensity from 12:00 PM to 3:00 PM, hitting a scorching 9 during the hottest hours. As the afternoon wanes, the UV index gradually declines to 7 by 4:00 PM, then further to 5 at 5:00 PM, and eventually settling at a more manageable 2 by 7:00 PM. To stay safe and protect your skin, it's crucial to seek shade and apply sunscreen, especially during those midday hours when the UV Index is at its highest!

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
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:009very high15 min
14:009very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Troy

Throughout the year, the UV Index exhibits significant seasonal variations, impacting sun exposure levels and potential risk for skin damage. The high-risk months for UV exposure peak during late spring and summer, specifically from May to August, when the index consistently reaches 9, categorized as very high, with a minimal safe burn time of just 15 minutes. As the year progresses, March and April also present high levels, with indices of 6 and 7, indicating heightened care is needed. Conversely, the winter months of January and December offer lower UV levels, classified as low, allowing for more extended sun exposure without significant risk. To minimize sun damage, it is recommended that visitors and residents during the high-risk months wear protective clothing, apply sunscreen liberally, and seek shade when necessary, especially during midday hours.

Monthly Maximum UV Index for Troy, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Troy. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec246799987532
Data source: Statistical UV Index data for Troy, 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 Troy UV Index with Other United States Cities

The table above highlights how UV exposure in Troy 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.
Troy's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Troy236799997532
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975