UV Index in Esch-sur-Alzette, Luxembourg

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Esch-sur-Alzette, Luxembourg, where the climate can lead to varying UV exposure throughout the year. With peak UV levels typically reached in the afternoon, awareness of these levels is essential for preventing sunburn and protecting skin health. During the warmer months, a high UV Index can pose significant risks, making it vital to stay informed. With its Cfb climate characterized by mild summers and increased sunshine, Esch-sur-Alzette's residents should regularly check the UV Index to enjoy the outdoors safely while minimizing the risk of skin damage.

Hourly UV Index in Esch-sur-Alzette

The UV Index offers a clear snapshot of sun intensity throughout the day. From 07:00 to 09:00, it's a comfortable level, hovering around 1 to 2, making it safe for morning outdoor activities. As the sun climbs higher, the index jumps to 4 by 10:00 and peaks at an impressive 8 between 13:00 and 14:00—the time to take extra precautions! After the zenith, the levels gradually decline to 5 by 16:00, and then descend to a cozy 1 by 19:00. Plan accordingly and enjoy the sun safely!

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:008very high15 min
14:008very high15 min
15:007high25 min
16:005moderate30 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Esch-sur-Alzette

Throughout the year, the UV Index experiences significant fluctuations, with high-risk months identified primarily from April to August, where the index peaks at an alarming 9 in June. During these months, the exposure category escalates to very high, resulting in a burn time of just 15 minutes for unprotected skin. In contrast, January, November, and December have low UV levels, making sun protection less critical, with burn times extending to 45 minutes. As such, it’s essential for both visitors and residents to stay vigilant during the peak months by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM, when UV rays are strongest.

Monthly Maximum UV Index for Esch-sur-Alzette, Luxembourg

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Esch-sur-Alzette. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Statistical UV Index data for Esch-sur-Alzette, 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 Esch-sur-Alzette UV Index with Other Luxembourg Cities

The table above highlights how UV exposure in Esch-sur-Alzette compares to other major locations across Luxembourg. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Esch-sur-Alzette's solar exposure compared to other cities in Luxembourg. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Luxembourg UVI234689876421
Esch-sur-Alzette234689886421
Bettembourg UVI234689886421
Schifflange UVI234689886421
Dudelange UVI234689886421