UV Index in Sibolga, Indonesia

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Sibolga, Indonesia, where the tropical climate brings high sun exposure throughout the day. Recognizing UV levels is essential for preventing sunburn and maintaining long-term skin health, especially when the UV Index peaks at an intense 12 around noon. With a typical climate classified as Af, the risks of UV exposure are significant, making it important to stay informed about daily fluctuations in UV levels. By keeping a close eye on the UV Index, you can enjoy the beautiful scenery of Sibolga while protecting your skin from potential harm.

Hourly UV Index in Sibolga

The UV Index varies throughout the day, peaking at 12 from 12:00 PM to 1:00 PM, signaling a time for extra sun protection. Before this peak, from 9:00 AM to 11:00 AM, the index climbs from 5 to a striking 11, urging vigilance as the sun intensifies. After hitting 12, the index begins to decline, dropping to 10 at 2:00 PM and gradually tapering off to 6 by 3:00 PM. The afternoon sun's intensity mellows further, leading to a safe 3 at 4:00 PM, and finally settling back to a low of 0 by 7:00 PM. Remember, during the peak hours, it's vital to stay protected and enjoy the sunshine safely!

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sibolga

The UV Index remains exceptionally high throughout the year, with the highest values occurring from January to April, peaking at 16 during March and April. These months, characterized by an extreme exposure category, necessitate a burn time of just 10 minutes before skin damage may occur. Following this peak, UV levels slightly decrease but remain high, with August through October reporting indices between 14 and 15. January to April and the late summer/fall months of August and September are particularly high-risk periods for sun exposure. Residents and visitors should take precautions during these months, such as wearing broad-spectrum sunscreen, protective clothing, and UV-blocking eyewear to safeguard against potential skin damage.

Monthly Maximum UV Index for Sibolga, Indonesia

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

The table above highlights how UV exposure in Sibolga 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.

Sibolga'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
Sibolga	14	15	16	16	15	12	12	14	15	15	14	13