UV Index in Harian, Indonesia

Last updated: June 2, 2025

In Harian, Indonesia, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding the fluctuations in UV levels throughout the day can help you prevent sunburn and long-term skin damage, especially during peak exposure times. With a tropical climate that often boasts intense sunshine, Harian faces significant UV exposure risks, particularly between 10 AM and 1 PM when the index can reach a staggering 13. By staying informed about UV levels, you can enjoy the beautiful outdoors while safeguarding your skin from harmful effects.

Hourly UV Index in Harian

As the sun rises, the UV Index begins its gentle ascent from a low of 1 at 07:00, marking a safe start to the day. By 09:00, it climbs to 5, urging outdoor enthusiasts to take some precautions. The peak intensity hits at 12:00 with a formidable 13, necessitating strong sun protection. The afternoon sees a slight dip, with the index falling to 10 at 14:00 and easing further to 4 by 16:00. As daylight wanes, the index drops back to 1 by 17:00, finally settling at 0 by 19:00, signaling a retreat of the sun’s harsh rays. Remember, the highest UV exposure occurs around midday, so plan your outdoor activities accordingly!

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
09:005moderate30 min
10:008very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:0010very high15 min
15:007high25 min
16:004moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Harian

The UV Index experiences significant fluctuations throughout the year, maintaining a highly extreme level, particularly from January to April, where it peaks at 17. This intensity leads to a critical burn time of only 10 minutes during these months, making January to April the highest-risk period for sun exposure. Although UV Index values slightly decrease in the summer months of June and July to 13, they remain within the extreme category. August to October sees a mild increase again, with values of 15 and 16 respectively, maintaining the risk for overexposure. Visitors and residents are advised to take precautionary measures year-round, such as wearing protective clothing and applying broad-spectrum sunscreen, to minimize the risk of skin damage.

Monthly Maximum UV Index for Harian, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Harian. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151617171613131516151413
Data source: Statistical UV Index data for Harian, 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 Harian UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Harian 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.
Harian'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
Harian151617171613131516151413