UV Index in Bau, Indonesia

Last updated: June 2, 2025

In Bau, Indonesia, understanding the UV Index is crucial for protecting your skin and overall health. With a tropical climate that often sees high UV exposure, being aware of daily UV levels can help you prevent sunburn and reduce the risk of long-term skin damage. During peak hours, particularly around 11 AM to 1 PM, the UV Index can soar to a level of 10, indicating a very high risk of harm from unprotected sun exposure. By staying informed and taking necessary precautions, residents and visitors can enjoy the sunny days while safeguarding their skin health.

Hourly UV Index in Bau

The UV Index throughout the day reveals a dynamic pattern of sun exposure. Early risers at 7:00 AM will find a gentle start with a UV index of 1, ramping up to 2 by 8:00 AM. The sun truly takes center stage by 10:00 AM, peaking at a notable 7. As the clock strikes 11:00 AM, the intensity reaches its zenith with a scorching 10, and remains unwavering at 10 through 12:00 PM and 1:00 PM. However, as afternoon transitions into evening, the intensity begins to wane, dipping to 7 by 2:00 PM and declining steadily afterward. By 6:00 PM, the UV index has fallen to 0, signaling a safe time to relax outdoors without the worry of sunburn. This data underscores the importance of sun protection during those high midday 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
08:002low45 min
09:004moderate30 min
10:007high25 min
11:0010very high15 min
12:0010very high15 min
13:0010very high15 min
14:007high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Bau

The UV Index data reveals significant seasonal variations, with extremely high levels persisting from January through April and again in July, August, September, October, and November. The months of January through April consistently show UV Index values between 15 and 16, indicating an exposure category of extreme, with a rapid burn time of just 10 minutes. In May, the index slightly drops to 12, but it remains in the extreme category until June, when it falls to a very high level of 10. Visitors and residents should be particularly cautious during the high-risk months of January, February, March, April, July, August, September, October, and November, all classified as extreme exposure months. To protect against skin damage, it is imperative to apply sunscreen, wear protective clothing, and limit sun exposure, especially during midday hours.

Monthly Maximum UV Index for Bau, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Bau. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151616141210121315151415
Data source: Statistical UV Index data for Bau, 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 Bau UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Bau compares to other major locations across Indonesia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Bau's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Surabaya UVI131514121210111214131313
Bekasi UVI141616141110101113151413
Jakarta UVI141616141110101113151413
Medan UVI131515151412121314141312
Bandung UVI151616151211111214151514
Bau151616151210121315151515