UV Index in Rome, United States

Last updated: May 3, 2025

Understanding the UV Index in Rome, United States, is essential for protecting your skin and enjoying the sun safely. As UV levels can peak dramatically, particularly midday when readings reach as high as 11, awareness is crucial for sunburn prevention and maintaining skin health. With Rome's humid subtropical climate, residents and visitors alike face significant UV exposure risks, especially during the summer months. By staying informed about daily UV levels, you can make smarter choices about sun protection, ensuring your outdoor activities remain enjoyable and safe.

Hourly UV Index in Rome

As the sun rises, the UV Index begins to climb gently, peaking at a moderate 1 at 7:00 AM and maintaining that level until 9:00 AM. By 10:00 AM, the intensity sharply rises to 5, and by midday, it reaches a remarkable 9. The afternoon sees the UV Index soar to its maximum of 11 at both 1:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index gradually declines, hitting 7 at 4:00 PM and settling to a safer 2 by 6:00 PM, before returning to 1 after sunset. This fluctuation underscores the importance of sun protection during peak hours, particularly between 10:00 AM and 3:00 PM.

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Rome

Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The highest risk months are from May to August, when the UV Index peaks at an extreme level of 11, allowing for a burn time of just 10 minutes. Notably, March and April also present high risks with indices reaching 8 and 10, respectively. Conversely, the winter months of January and December have a moderate UV Index of 4, with longer burn times of 30 minutes. To protect yourself during high UV months, it is essential for both visitors and residents to apply sunscreen regularly, wear protective clothing, and seek shade during peak sun hours, particularly from late spring through summer.

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.

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.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Rome	4	6	8	10	11	11	11	11	9	7	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5