UV Index in Muntok, Indonesia

Last updated: July 2, 2025

In Muntok, Indonesia, understanding the UV Index is crucial for protecting your skin and overall health. With the tropical Af climate, residents face varying levels of ultraviolet radiation throughout the day, especially during peak hours from 10 AM to 2 PM when the index can reach as high as 12. Being informed about these UV levels not only helps prevent painful sunburns but also plays a key role in long-term skin health. As you navigate the sunny days in this vibrant region, staying aware of the UV Index can empower you to take necessary precautions and enjoy the sunshine safely.

Hourly UV Index in Muntok

The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.

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	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 Muntok

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 Muntok, Indonesia

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

The table above highlights how UV exposure in Muntok 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.

Muntok'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
Muntok	14	15	16	15	13	12	12	14	14	15	14	13