UV Index in Rome, United States

Last updated: June 2, 2025

In Rome, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels throughout the day is essential for preventing sunburn and promoting long-term skin wellness, especially as the climate in this region often showcases warm summers with a unique potential for intense sun exposure. With UV indices peaking at 10 around midday, residents and visitors should be aware of the risks associated with prolonged sun exposure and take necessary precautions to enjoy the sunny days safely.

Hourly UV Index in Rome

As the day unfolds, the UV Index experiences a dramatic rise, peaking at an intense 10 around 1 PM, signaling the highest level of harmful UV radiation. Early morning hours start gently, with a maximum of 1 at 7 AM, gradually increasing to a moderate 4 by 9 AM. The ascent continues steadily, reaching a notable 8 between 11 AM and 12 PM before soaring to its zenith. After this peak, the index begins to wane, declining to 5 by 4 PM and dropping further to a safe 1 by 7 PM. It’s vital to stay protected during the peak hours of 11 AM to 3 PM to enjoy the sunshine without compromising skin health.

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
13:0010very high15 min
14:009very high15 min
15:008very high15 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Rome

As the seasons transition, the UV Index shows notable fluctuations, indicating varying levels of sun exposure risk. January and February experience moderate UV levels (3 and 4), with a burn time of 30 minutes. The risk increases sharply in March with a UV Index of 6, classified as high, reducing the safe exposure time to 25 minutes. The most critical months for UV exposure are April through September, where the Index peaks to 10 in June, denoting very high risk, with a burn time as short as 15 minutes. October sees a drop to a high UV Index of 6, while November and December return to moderate and low levels (3 and 2), allowing for longer exposure times of 30 and 45 minutes, respectively. Visitors and residents are advised to take precautions during the high-risk months—especially between April and September—by wearing sunscreen, protective clothing, and seeking shade when outdoors to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Rome, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rome. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998532
Data source: Statistical UV Index data for Rome, 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 Rome UV Index with Other United States Cities

The table above highlights how UV exposure in Rome 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.
Rome's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rome3468910998632
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975