UV Index in Sempur, Indonesia

Last updated: May 3, 2025

In Sempur, Indonesia, staying informed about the UV Index is essential for safeguarding your health and enjoying the sunny climate. Understanding UV levels can help you effectively prevent sunburn, protect your skin health, and reduce the risk of long-term damage. With Sempur's tropical Af climate, residents and visitors alike experience varying UV exposure throughout the day, peaking at an alarming 12 between 10 AM and 1 PM. Being aware of these UV index fluctuations is crucial for planning outdoor activities and ensuring you take the necessary precautions under the Indonesian sun.

Hourly UV Index in Sempur

As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to a moderate 3 by 08:00. The intensity peaks sharply at 10:00, reaching a maximum of 12 at 11:00 and 12:00, indicating a time when sun exposure can be especially harmful without protection. As the afternoon follows, UV levels drop to 10 at 13:00, then steadily decline to 7 at 14:00 and taper off to 4 by 15:00. In the late afternoon and evening, the index continues to diminish, falling to 2 at 16:00, and finally to 1 by 17:00, before resting at 0 from 18:00 onward. This hourly data highlights the importance of seeking shade and wearing sunscreen during the peak UV hours of the day.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 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 Sempur

The UV Index data reveals that extreme UV exposure occurs from January through March, with values peaking at 16 in March and consistently high throughout the year, particularly in July and September. May sees a slight reduction to an index of 13, transitioning to very high levels in June with an index of 10. The high-risk months for UV exposure are typically from January to October, where the burn time remains notably low at 10 minutes for most months. Residents and visitors should exercise caution during these months, using effective sun protection measures such as sunscreen, protective clothing, and seeking shade, particularly during peak sunlight hours, to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for Sempur, Indonesia

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

The table above highlights how UV exposure in Sempur 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.

Sempur'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
Sempur	15	15	16	14	13	10	11	13	14	15	15	14