UV Index in Koba, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Koba, Indonesia is crucial for keeping your skin safe from the sun’s harmful rays. As a locality with an Af climate, Koba experiences distinct sun exposure that peaks around midday, with UV levels soaring to a maximum of 12—a significant risk factor for sunburn and long-term skin health issues. By staying informed about daily UV levels, residents and visitors can implement effective sun protection strategies, ensuring they enjoy the beautiful Indonesian sunshine without compromising their skin's well-being. With a typical rise in UV exposure from late morning to early afternoon, being proactive about sun care is essential in this vibrant tropical environment.

Hourly UV Index in Koba

At dawn, the UV Index starts off low at 1 at 07:00, but as the sun rises, so does the intensity of UV radiation. By 09:00, it reaches 5, climbing rapidly to a peak of 12 at 12:00. The midday sun is fierce, with the UV Index hitting its maximum of 11 at 11:00 and slightly dropping to 8 by 14:00. As the afternoon progresses, the index declines steadily, returning to a more moderate 5 at 15:00, then tapering off to 2 by 16:00. The day concludes with a safe 1 at 17:00 and fades to 0 from 18:00 onwards, indicating a reprieve from UV exposure. Remember to protect your skin 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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Koba

The UV Index in this region exhibits extreme levels throughout the year, with minimal fluctuation; it ranges from 12 to 16. January through April stand out as the months with the highest UV risks, peaking at 16 in March. Though UV levels slightly decrease during the summer months of June and July, they remain in the extreme category, with burn times consistently at 10 minutes across all months. Visitors and residents should take precautions year-round, particularly between January and April, by wearing sunscreen, protective clothing, and sunglasses to mitigate the risk of skin damage. Always remain mindful of the UV Index and limit exposure during peak hours to ensure safety.

Monthly Maximum UV Index for Koba, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Koba. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Koba, 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 Koba UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Koba 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.

Koba's solar exposure compared to other cities in Indonesia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surabaya UVI	13	15	14	12	12	10	11	12	14	13	13	13
Bekasi UVI	14	16	16	14	11	10	10	11	13	15	14	13
Jakarta UVI	14	16	16	14	11	10	10	11	13	15	14	13
Medan UVI	13	15	15	15	14	12	12	13	14	14	13	12
Bandung UVI	15	16	16	15	12	11	11	12	14	15	15	14
Koba	14	15	16	15	13	12	12	14	14	15	14	13