UV Index in Oostham, Belgium

Last updated: May 3, 2025

Understanding the UV Index in Oostham, Belgium is crucial for protecting your skin and preventing sunburn, especially during the sunnier months. As the UV levels can reach up to 7 in the afternoon, knowing when to take precautions is essential for maintaining healthy skin. Oostham, with its temperate maritime climate, offers a mix of sunny days and overcast skies, but the risks of exposure to UV radiation remain significant. Be informed and proactive to enjoy the sun safely!

Hourly UV Index in Oostham

As the day unfolds, the UV Index begins to soar, peaking at 7 between 1 PM and 2 PM. The morning starts off gently, with a low index of 1 at 7 AM and 8 AM, gradually climbing to 2 by 9 AM. By 10 AM, the intensity increases to 4, reaching 5 at 11 AM. The sun is at its strongest at 12 PM, with a UV index of 6, before hitting its maximum of 7 during the early afternoon hours. As the day progresses, the index begins to decline, dropping back to 6 at 3 PM, then tapering off to 5 at 4 PM. By 5 PM, it continues to fall to 3, and as evening approaches, it settles at 2 at 6 PM, finally winding down to 1 by 7 PM. It's a perfect reminder to stay protected under the sun, especially during those peak hours!

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
11:005moderate30 min
12:006high25 min
13:007high25 min
14:007high25 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Oostham

Throughout the year, UV radiation levels fluctuate significantly, necessitating varying levels of sun protection. From January to February, the UV Index remains low (1-2), allowing for extended exposure times without burning, approximately 45 minutes. However, as spring approaches, the UV Index rises, reaching moderate levels (4-5) in March and April, where 30-minute burn times apply. The summer months of May through July present the highest risk, with UV Index values peaking at 8 and very high exposure categories, meaning that unprotected skin can burn in just 15 minutes. August sees a slight decrease, but still maintains a high UV Index of 7, with a burn time of 25 minutes. In contrast, September to October return to moderate levels, allowing for 30-minute safe exposure, while November and December drop back down to low levels (1-2) with burn times of 45 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months of May through July, utilizing sunscreen, protective clothing, and seeking shade to minimize UV exposure and safeguard skin health.

Monthly Maximum UV Index for Oostham, Belgium

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Oostham. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Statistical UV Index data for Oostham, 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 Oostham UV Index with Other Belgium Cities

The table above highlights how UV exposure in Oostham compares to other major locations across Belgium. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Oostham's solar exposure compared to other cities in Belgium. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Oostham124578875321
Gent UVI124578875321
Antwerpen UVI124578875321
Brussels UVI124578875421
Liege UVI124578875421
Charleroi UVI234578875421