UV Index in Paris, United States

Last updated: May 3, 2025

Understanding the UV Index in Paris, United States is essential for safeguarding your skin and overall health. As sun exposure increases during the day, being aware of UV levels helps in preventing sunburn and long-term skin damage. With a Dfb climate, Paris can experience significant UV radiation, particularly during peak hours from 10:00 AM to 2:00 PM, when the UV Index can soar as high as 11. By staying informed about UV exposure risks, you can enjoy the sunshine safely while taking necessary precautions to protect your skin.

Hourly UV Index in Paris

The UV Index dramatically peaks during the midday hours, showcasing a clear pattern of solar intensity. Starting from a mild 1 at 07:00, it steadily rises, reaching a notable 11 by 13:00. This peak signifies a high risk for skin damage, urging sun safety precautions. As the afternoon progresses, the index gradually declines—falling to 9 at 15:00, and decreasing further to 2 by 18:00. With the sun's intensity waning, the cooler evening hours promise a gentle close to the day, offering a more comfortable outdoor experience. Always stay vigilant during peak UV times!

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	2	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Paris

Throughout the year, UV exposure varies significantly, peaking during the summer months. High-risk months include May, June, and July, where the UV Index reaches extreme levels of 11-12, and burn times drop to just 10 minutes. March and April also present very high risks with indices of 8-10, necessitating quick action to avoid sunburn. As a reminder, January and December have moderate UV levels, offering 30-minute burn times, while the other months see varying degrees of risk. Visitors and residents are advised to take necessary precautions during the high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Paris, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Paris. 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 Paris, 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 Paris UV Index with Other United States Cities

The table above highlights how UV exposure in Paris 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.

Paris'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
Paris	3	5	8	10	11	12	11	10	9	6	4	3
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5