UV Index in Ondong Siau, Indonesia

Last updated: May 3, 2025

In Ondong Siau, Indonesia, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels not only aids in preventing painful sunburns but also minimizes the long-term risks of skin damage and conditions like skin cancer. With a tropical Af climate, Sundown Siau experiences high UV exposure, especially between 10 AM to 2 PM, when UV Index levels soar to a maximum of 14. This information is vital for both residents and visitors to enjoy the island's beautiful sun safely.

Hourly UV Index in Ondong Siau

At dawn, the UV Index begins modestly at 2 by 7:00 AM, but as the sun rises, so does the intensity of ultraviolet rays. By 8:00 AM, the index jumps to 5, marking the start of heightened UV exposure. The peak occurs at 11:00 AM and 12:00 PM, where it reaches a staggering 14, indicating a critical time for sun protection. After noon, the index begins to decline, dropping to 12 by 1:00 PM and falling further to 8 at 2:00 PM. As the afternoon progresses, the UV Index continues its descent, landing at 4 by 3:00 PM and further decreasing to 2 by 4:00 PM. Finally, the day winds down with minimal UV exposure, resting at 1 by 5:00 PM and dropping to 0 after 6:00 PM, highlighting the need for vigilance during those peak hours when UV radiation is most potent.

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	12	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	4	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