UV Index in Lille, France

Last updated: May 3, 2025

In Lille, France, understanding the UV Index is crucial for safeguarding your skin against harmful sun exposure. As you enjoy the city’s vibrant atmosphere, being aware of UV levels can help prevent sunburn and long-term skin damage. Lille's Cfb climate, marked by mild summers, means that while UV exposure can vary, the risk of high UV Index levels—especially during midday—should not be overlooked. With values peaking at 7, it’s essential to remain vigilant and take protective measures to keep your skin healthy and radiant under the northern sun.

Hourly UV Index in Lille

Today's UV Index showcases a dynamic range of solar intensity, starting gently in the early morning at 1 from 07:00 to 08:00. As the sun climbs higher, a steady increase leads to a moderate 2 by 09:00, peaking at 6 by 12:00. The day reaches its zenith of UV exposure at a robust 7 from 13:00 to 15:00, signaling the need for protection. As the afternoon wanes, values decrease, falling back to 5 at 16:00 and tapering off to 1 by 19:00. Remember to stay sun-safe during those peak hours for optimal protection against UV radiation!

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	4	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	7	high	25 min
14:00	7	high	25 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Lille

Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.

Monthly Maximum UV Index for Lille, France

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

The table above highlights how UV exposure in Lille compares to other major locations across France. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Lille's solar exposure compared to other cities in France. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lille	1	2	4	5	7	8	8	7	5	4	2	1
Paris UVI	2	3	5	6	8	9	8	8	6	4	2	1
Lyon UVI	2	3	5	6	8	10	9	8	6	5	3	2
Nice UVI	2	4	6	7	8	10	9	8	7	5	3	2
Marseille UVI	2	4	5	7	9	10	9	8	7	5	3	2
Toulouse UVI	2	4	6	7	9	10	10	9	7	5	3	2