UV Index in Newton, United States

Last updated: May 3, 2025

Awareness of the UV Index is crucial for residents of Newton, United States, as it plays a vital role in safeguarding your skin during outdoor activities. Understanding UV levels helps you take essential precautions against sunburn and long-term skin health issues, especially when the index peaks. With Newton's Cfa climate, characterized by warm summers, the UV Index can reach significant heights—topping out at 11 around noon. By staying informed about daily UV exposure risks, you can better protect yourself and enjoy the beautiful sunny days that Newton has to offer.

Hourly UV Index in Newton

The UV Index today exhibits a significant peak between 12:00 PM and 2:00 PM, reaching a maximum of 11 at 1:00 PM, indicating an extreme risk of harm from unprotected sun exposure. The index begins at a low 1 in the early hours, gradually rising to 10 by noon. As the afternoon progresses, it maintains elevated levels, staying at 11 until 2:00 PM. Following this peak, the intensity starts to decline, dropping to 4 by 5:00 PM and further decreasing to 1 by 7:00 PM. It's crucial during midday hours to seek shade, wear protective clothing, and apply sunscreen to safeguard against the sun's harmful rays!

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

Monthly UV Index Trends in Newton

The UV Index experiences notable seasonal changes, with high-risk months primarily occurring from February through August. During this period, the UV Index reaches its peak, consistently showing an extreme category of 11 for the summer months. In April, the UV Index escalates to 11, with a minimal burn time of just 10 minutes. Visitors and residents are advised to take precautionary measures, particularly from February to August, by wearing protective clothing, applying sunscreen, and seeking shade during peak hours to minimize skin damage. As the season transitions into September and October, the UV Index declines to 10 and 8, respectively, indicating a slightly lower risk, yet protective measures remain important. In the cooler months of November and December, the UV Index decreases further to 6 and 4, where the risk is manageable but still requires some attention to prevent overexposure.

Monthly Maximum UV Index for Newton, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Newton. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110864
Data source: Statistical UV Index data for Newton, 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 Newton UV Index with Other United States Cities

The table above highlights how UV exposure in Newton 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.
Newton'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
Newton589111111111110864
Houston UVI589111112121110975