UV Index in Sumbul, Indonesia

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors in Sumbul, Indonesia, a region characterized by its tropical Af climate. As UV levels can soar to a striking peak of 13 during midday, becoming aware of these values can significantly impact skin health by helping to prevent sunburn and long-term skin damage. With its lush landscapes and sunny days, Sumbul offers beautiful outdoor experiences, but knowing when to seek shade or apply sunscreen becomes crucial to enjoying the sun safely. Stay informed and protect your skin—your health matters!

Hourly UV Index in Sumbul

As the sun rises, the UV Index gradually climbs, starting from a gentle 1 at 07:00, ideal for a morning stroll. By 09:00, it reaches 4, prompting a bit more caution if you're outdoors. The sun's intensity peaks sharply at 12:00 with a blistering 13, signaling the importance of sunscreen and protective clothing, especially as it remains high until 14:00. As the afternoon progresses, the index drops steadily, falling to 4 by 16:00, and finally winding down to 1 by 18:00. As sunset approaches at 19:00, the UV threat dwindles to 0, allowing for a safe evening in the fading light. Be sure to stay protected 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	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	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