UV Index in Cast, France

Last updated: July 2, 2025

In Cast, France, understanding the UV Index is crucial for protecting your skin and maintaining overall health, especially during the sunnier months. With the region's Cfb climate, residents and visitors are often exposed to varying UV levels throughout the day, peaking at a potentially dangerous 9 between 2 PM and 3 PM. Awareness of these UV levels is essential for preventing sunburn and long-term skin damage, allowing you to enjoy the beautiful, warm days while taking necessary precautions. Being informed about the UV Index can help you enjoy the sunshine responsibly and keep your skin safe!

Hourly UV Index in Cast

The UV Index throughout the day showcases a clear rise in intensity as the sun climbs higher in the sky. Starting from a low of 1 at 07:00, the index slowly increases to reach 2 by 09:00. As we approach midday, the sun's rays become more potent, peaking at an impressive 9 at 14:00—the perfect time for sun safety awareness. Post-peak, the UV levels gradually taper off, returning to 4 by 18:00 and dipping to 2 at 19:00. It's essential to stay protected during those peak hours, especially around noon when the UVI hits 6 and above. Be sun-smart!

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	3	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	8	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	7	high	25 min
17:00	6	high	25 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Cast

Throughout the year, UV radiation levels fluctuate significantly, with distinct high-risk months emerging in the summer. From May to August, the UV Index is categorized as very high (ranging from 8 to 9), indicating that visitors and residents should exercise heightened caution, as the burn time decreases to just 15 minutes. April sees a transition to a high exposure category, while March starts in a moderate range. Conversely, the winter months, including January, November, and December, have a low UV Index (2), granting longer burn times of 45 minutes. To safeguard against skin damage, it's imperative for everyone to wear protective clothing, seek shade, and apply sunscreen during peak UV times, especially from late spring to the end of summer.

Monthly Maximum UV Index for Cast, France

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

The table above highlights how UV exposure in Cast 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.

Cast'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
Paris UVI	2	3	5	6	8	9	8	8	6	4	2	1
Cast	2	3	5	6	8	9	9	8	6	5	2	2
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