UV Index in Lontar, Indonesia

Last updated: May 3, 2025

In Lontar, Indonesia, being aware of the UV Index is crucial for safeguarding your skin and overall health. With peak UV levels soaring to 14 around noon, understanding these fluctuations can help you take essential steps to prevent sunburn and long-term skin damage. Given Lontar's tropical climate, where intense sun exposure is a daily reality, knowledge of UV levels empowers residents and visitors alike to enjoy the outdoors safely while minimizing health risks. Stay informed and protect yourself from harmful UV rays!

Hourly UV Index in Lontar

The UV Index throughout the day follows a striking pattern, peaking sharply during the midday hours. Starting early, at 07:00, it begins at a modest 1, slowly climbing to 2 by 08:00. As the sun rises higher, the index reaches a significant 9 by 10:00 and escalates to a glaring 14 at 12:00, marking the height of solar intensity. Interestingly, this midday zenith of 12:00 draws a slight decline by 14:00, settling at 10. From there, a gentle descent occurs, with values dropping to 6 by 15:00 and further down to 3 at 16:00. The evening hours see a return to low levels, closing out the day with 1 at 17:00 and fading to 0 by 19:00. This data highlights the critical need for sun protection during the peak hours when UV radiation is the strongest.

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
10:009very high15 min
11:0012extreme10 min
12:0014extreme10 min
13:0013extreme10 min
14:0010very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Lontar

Throughout the year, the UV Index remains consistently high, peaking at 16 from January to March, indicating an extreme exposure category with a rapid burn time of just 10 minutes. April sees a slight decrease to 15, but the risk remains significant through May and June, where values drop to 14 and 12, respectively. The trend continues into the summer months of July and August, maintaining the extreme category but with a slight dip in index values. As the year progresses into September, October, and November, the UV Index fluctuates between 14 and 15, while December concludes the year at 13. Given the consistently high UV levels, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the highest-risk months of January through March.

Monthly Maximum UV Index for Lontar, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Lontar. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151616151412121415151413
Data source: Statistical UV Index data for Lontar, 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 Lontar UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Lontar 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.
Lontar'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
Lontar151616151412121314151413