UV Index in Siulak, Indonesia

Last updated: June 2, 2025

In Siulak, Indonesia, being aware of the UV Index is essential for safeguarding your skin against harmful ultraviolet rays. The UV Index provides crucial information about the strength of sun exposure throughout the day, helping residents and visitors alike prevent sunburn and maintain skin health. With its tropical climate, Siulak experiences significant UV levels, particularly between 10 AM and 2 PM, when readings can soar as high as 12. Understanding these levels is vital to enjoying the sunny days safely—after all, protecting your skin today means healthier skin tomorrow!

Hourly UV Index in Siulak

The UV Index starts off low at 1 around 07:00, gradually rising to a moderate 2 by 08:00. As the sun reaches its peak, the index sharply escalates, hitting 8 at 10:00 and peaking at a striking 12 between 12:00 and 13:00. This intense solar exposure signals a strong need for protection, especially with the index maintaining an elevated 11 at 11:00 before beginning a gradual decline. By 14:00, it drops to 9, then further down to 6 at 15:00, and continues to fall, reaching 1 by 17:00. As the evening approaches, the UV levels taper off to 0 by 19:00, indicating a complete cessation of harmful UV exposure. Stay savvy and prioritize sun safety during those peak hours!

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	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Siulak

The UV Index exhibits extreme levels year-round, with particularly high readings in the winter and spring months, peaking at 17 in March. This means that January through April are the high-risk months for sun exposure, where the burn time is limited to just 10 minutes. Even during summer, the UV Index remains significant, especially in July and August, making sun safety a priority. Residents and visitors should take precautions by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of UV-related health issues. October and November also maintain higher indices, so vigilance should continue into the fall and winter months. It’s essential for everyone to stay informed and protect themselves against harmful UV radiation.

Monthly Maximum UV Index for Siulak, Indonesia

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

The table above highlights how UV exposure in Siulak 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.

Siulak'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
Siulak	16	16	17	16	15	12	13	15	15	16	15	15