UV Index in Paris, United States

Last updated: June 2, 2025

Understanding the UV Index in Paris, United States, is crucial for protecting your skin and overall health. As UV levels can vary significantly throughout the day, being aware of these fluctuations can help prevent sunburn and long-term skin damage. Paris enjoys a Cfa climate characterized by warm summers, which can elevate UV exposure, particularly during midday hours when the index peaks at 11. By staying informed about the UV Index, residents can take proactive measures to enjoy the outdoors safely while minimizing the risks associated with sun exposure.

Hourly UV Index in Paris

The UV Index throughout the day reveals a dramatic rise in solar intensity. Starting at a mild 1 at 07:00, it climbs steadily, reaching 2 by 08:00. The real spike occurs as the sun climbs higher, with the index jumping to 4 at 09:00, before peaking at a striking 11 by 13:00—the highest risk of the day. After this peak, the UV levels gradually taper off, dropping to 8 at 15:00, and settling to a gentle 2 by 18:00. Remember to don that sunscreen during the midday hours to protect your skin from the sun’s powerful 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	9	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	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Paris

Throughout the year, seasonal changes in UV Index levels highlight varying risks associated with sun exposure. From January to February, UV levels remain moderate, with burn times of 30 minutes, making it a relatively safer period for outdoor activities. However, as March approaches, the UV Index escalates to 6, indicating higher caution is needed. The spring and summer months show a significant increase, peaking in June with an extreme UV Index of 11, where burn time reduces to just 10 minutes. High-risk months include April through August, with very high to extreme levels; visitors and residents should take extra precautions, like wearing sunscreen, hats, and protective clothing during these months. As the year progresses into October and November, UV levels decrease, returning to moderate levels by December, providing a safer environment for outdoor enjoyment. It’s essential for everyone to stay informed about UV levels and adjust their sun safety practices accordingly.

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	6	9	10	11	10	9	8	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