UV Index in Sumbul, Indonesia

Last updated: June 2, 2025

In Sumbul, Indonesia, keeping an eye on the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels is crucial, as they directly impact your risk of sunburn and long-term skin damage. With Sumbul's tropical climate—characterized by abundant sunshine and high UV exposure—it's vital to be aware of daily fluctuations. Notably, during peak hours from 10 AM to 2 PM, the UV Index can soar to an intense level of 13, significantly increasing the risk of harm. By tracking the UV Index, you can take proactive steps to enjoy the sun safely and protect your skin.

Hourly UV Index in Sumbul

As the sun rises, the UV Index begins its gentle ascent from a low of 1 at 07:00, marking a safe start to the day. By 09:00, it climbs to 5, urging outdoor enthusiasts to take some precautions. The peak intensity hits at 12:00 with a formidable 13, necessitating strong sun protection. The afternoon sees a slight dip, with the index falling to 10 at 14:00 and easing further to 4 by 16:00. As daylight wanes, the index drops back to 1 by 17:00, finally settling at 0 by 19:00, signaling a retreat of the sun’s harsh rays. Remember, the highest UV exposure occurs around midday, so plan your outdoor activities accordingly!

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	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Sumbul

The UV Index data indicates extreme exposure levels throughout the year, peaking from January to April with values between 15 and 17. Notably, March has the highest UV Index at 17, making it a high-risk month for sun exposure. Following this peak, June through October maintains a UV Index of 13 to 16, continuing the trend of extreme exposure. To protect themselves from harmful UV radiation, both visitors and residents should take precautionary measures during these months, particularly from January to April, and remain vigilant from June to October. Recommended actions include seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Sumbul, Indonesia

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

The table above highlights how UV exposure in Sumbul 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.

Sumbul'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
Sumbul	15	16	17	16	16	13	13	15	15	15	14	13