UV Index in Ondong Siau, Indonesia

Last updated: August 1, 2025

Understanding the UV Index in Ondong Siau, Indonesia is crucial for protecting your skin and overall health in this tropical region. With peak UV levels soaring to a striking 13 at noon, awareness of UV exposure can help prevent painful sunburns and long-term skin damage. The Af climate of Ondong Siau, characterized by high humidity and consistent sun exposure, makes it essential to monitor these UV levels regularly. Prioritizing sun safety not only keeps your skin healthy but also enhances your enjoyment of the beautiful, sun-soaked landscapes that this vibrant area has to offer.

Hourly UV Index in Ondong Siau

The UV Index displays a stark increase throughout the morning, starting with a manageable 2 at 07:00, climbing to a moderate 4 by 08:00. As the sun climbs higher, the index peaks at 13 between 12:00 and 13:00, indicating strong UV radiation and the need for protection. Following this midday intensity, the numbers begin to decline, dipping to 8 at 14:00, and later dropping to a safe 2 by 16:00. By evening, UV exposure diminishes to 0 by 19:00, signaling an end to the day’s sunniest moments. Be mindful of this hourly fluctuation, especially during peak hours, to protect your skin!

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	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	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	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 Ondong Siau

Throughout the year, the UV Index remains consistently high, classified as extreme across all months, with minimal fluctuations. The highest values are recorded from February to March, peaking at 17 in March. Visitors and residents should be particularly cautious during these peak months, as the burn time is just 10 minutes, emphasizing the need for effective sun protection measures. Advising the application of broad-spectrum sunscreen, wearing protective clothing, and seeking shade when possible can help mitigate the risks associated with high UV exposure. Consistency in these practices is crucial throughout the year, as the risk of skin damage is significant even during the cooler months.

Monthly Maximum UV Index for Ondong Siau, Indonesia

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

The table above highlights how UV exposure in Ondong 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.

Ondong 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
Ondong Siau	14	16	17	16	15	13	13	14	14	14	13	12