UV Index in Ulu, Indonesia

Last updated: August 1, 2025

In Ulu, Indonesia, awareness of the UV Index is crucial for protecting your skin and promoting overall health. As sun exposure can lead to harmful effects such as sunburn and long-term skin damage, understanding daily UV levels helps residents and visitors alike take necessary precautions. With a tropical Af climate, Ulu experiences intense sun, especially from 10 AM to 1 PM, when UV Index levels reach as high as 13. By keeping an eye on these readings, you can enjoy the beautiful surroundings safely while minimizing your risk of UV-related health issues.

Hourly UV Index in Ulu

The UV Index data throughout the day reveals a dynamic shift in sunlight intensity. Starting off at 07:00 with a low index of 2, the sun's rays gain strength, peaking at 10:00 with an intense 10. By 11:00 and 12:00, the UV Index reaches its maximum of 13, indicating a high risk for unprotected skin. As the afternoon progresses, the levels begin to decline, dropping to 8 by 14:00 and further to 4 by 15:00. As the sun starts to set, the index falls to 2 at 16:00, then swiftly diminishes to 1 at 17:00, finally returning to 0 by 18:00 and 19:00. This data underscores the importance of sun safety, especially during midday when the risk is greatest.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	4	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 Ulu

The UV Index exhibits high and consistent levels throughout the year, with extreme exposure categories noted from January to November, and a notable peak in March (UV Index 17). Visitors and residents should be particularly cautious during the high-risk months of February through April, when UV levels remain critical. Even in June and July, while slightly lower, the UV Index is still significant. It's essential to take proper precautions year-round: wear sunscreen, protective clothing, and seek shade during peak hours, as the burn time remains a mere 10 minutes regardless of the month. Staying informed and prepared is key to enjoying outdoor activities safely.

Monthly Maximum UV Index for Ulu, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ulu. 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 Ulu, 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 Ulu UV Index with Other Indonesia Cities

The table above highlights how UV exposure in Ulu 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.

Ulu'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
Ulu	14	16	17	16	14	12	13	14	14	15	13	12