UV Index in Muara Siau, Indonesia

Last updated: June 2, 2025

In Muara Siau, Indonesia, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. Understanding UV levels helps residents and visitors alike to take necessary precautions during peak sunlight hours, especially given the region's tropical climate that typically features high UV exposure. With indices soaring to 12 around noon, it's essential to recognize the risks and protect your skin from harmful ultraviolet rays. By staying informed about the daily UV fluctuations, you can enjoy the vibrant outdoors while safeguarding your skin's health.

Hourly UV Index in Muara Siau

As the sun rises, the UV Index begins to climb steadily, reaching a modest 1 at 07:00. By 08:00, it doubles to 2, but the real surge starts at 09:00, where it spikes to 5. The peak arrives at 12:00, hitting an intense 12—a reminder to reap the benefits of sunlight while staying protected. After an afternoon valor of 11 at 13:00, the numbers gradually decrease, settling at 5 by 15:00, and dwindling further to 1 by 17:00. As daylight fades, the UV risk diminishes, concluding with a gentle 0 at 19:00. Be mindful of the sun's power during the day and ensure you enjoy the outdoors 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	11	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 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 Muara Siau

The UV Index shows extreme levels of solar radiation throughout the year, with particularly high values from January to May, peaking at 17 in March. While January to April have the highest indices of 15-17, June to August see a slight decrease, ranging from 12 to 15. However, the risk remains extreme even in the cooler months, sustaining a burn time of just 10 minutes across all months. As such, visitors and residents should take proactive measures year-round, including wearing broad-spectrum sunscreen, protective clothing, and UV-blocking sunglasses to mitigate health risks associated with sun exposure, especially from January to April when UV levels are at their highest.

Monthly Maximum UV Index for Muara Siau, Indonesia

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

The table above highlights how UV exposure in Muara Siau 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.

Muara Siau'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
Muara Siau	15	16	17	16	14	12	13	15	15	15	15	15