UV Index in Ulu, Indonesia

Last updated: May 3, 2025

Welcome to our guide on the UV Index in Ulu, Indonesia, where understanding UV levels is crucial for keeping your skin healthy and avoiding sunburn. With Ulu's Af climate characterized by intense sun exposure, it's essential to be aware of the UV Index throughout the day. Peak values reach 14 at noon, emphasizing the need for protection during those hours to prevent harmful effects from the sun's rays. By staying informed on UV levels, you can enjoy the beautiful beaches and vibrant outdoors of Ulu while safeguarding your skin and overall health.

Hourly UV Index in Ulu

At dawn, the UV Index begins modestly at 2 by 7:00 AM, but as the sun rises, so does the intensity of ultraviolet rays. By 8:00 AM, the index jumps to 5, marking the start of heightened UV exposure. The peak occurs at 11:00 AM and 12:00 PM, where it reaches a staggering 14, indicating a critical time for sun protection. After noon, the index begins to decline, dropping to 12 by 1:00 PM and falling further to 8 at 2:00 PM. As the afternoon progresses, the UV Index continues its descent, landing at 4 by 3:00 PM and further decreasing to 2 by 4:00 PM. Finally, the day winds down with minimal UV exposure, resting at 1 by 5:00 PM and dropping to 0 after 6:00 PM, highlighting the need for vigilance during those peak hours when UV radiation is most potent.

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	5	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