UV Index in Gunungsitoli, Indonesia

Last updated: June 2, 2025

In Gunungsitoli, Indonesia, staying informed about the UV Index is crucial for safeguarding your skin health. Understanding UV levels can help you prevent sunburn and reduce the risk of long-term skin damage. With a tropical climate that experiences high UV exposure—especially around midday when the index peaks at 12—residents and visitors alike should be vigilant. By monitoring the UV Index, you can enjoy the beautiful outdoors while taking necessary precautions to protect yourself from harmful rays.

Hourly UV Index in Gunungsitoli

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00 before gradually climbing to a moderate 2 by 08:00. The real intensity kicks in as the clock strikes 10:00, when the index reaches a noteworthy 7. By 11:00, it peaks at an extreme 10, and just after noon, it hits the highest point of the day at an impressive 12. This intense UV exposure continues until 13:00, where it remains steady at 12. As the afternoon progresses, the index starts to decline, dropping to 10 at 14:00, then tapering off to 7 by 15:00. The UV Index continues to decrease, reaching 4 at 16:00 and returning to a low of 1 by the evening, with the sun slipping below the horizon at 19:00, leaving a safe UV reading of 0.

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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Gunungsitoli

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 Gunungsitoli, Indonesia

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

The table above highlights how UV exposure in Gunungsitoli 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.

Gunungsitoli'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
Gunungsitoli	14	15	16	16	15	12	12	14	15	15	14	13