UV Index in Semuda, Indonesia

Last updated: July 2, 2025

Understanding the UV Index in Semuda, Indonesia is crucial for protecting your skin and overall health. With a tropical climate characterized by high levels of UV exposure, being aware of daily UV ratings can significantly help in preventing sunburn and reducing the risk of long-term skin damage. During peak sun hours, particularly between 10 AM and 1 PM, the UV Index can soar to dangerous levels of 12, indicating a need for heightened caution. By familiarizing yourself with the UV Index, you empower yourself to enjoy Semuda's beautiful sun while keeping your skin safe.

Hourly UV Index in Semuda

As the day begins, the UV Index gradually climbs, starting at a modest 2 by 7:00 AM. By 9:00 AM, it surges to 7, signaling the onset of midday sun intensity. The peak occurs at 11:00 AM and 12:00 PM, where it reaches 12, urging everyone to seek shade and apply sunscreen. By 1:00 PM, it drops slightly to 10, but remains significant until the afternoon. As the sun begins its descent, the UV Index decreases to 7 at 2:00 PM, then quickly falls to 3 by 3:00 PM. By 4:00 PM, it dwindles to 1, and eventually drops to 0 by 6:00 PM, marking the end of a high UV intensity day. Remember, protecting your skin is essential, especially 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	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	3	moderate	30 min
16:00	1	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 Semuda

Throughout the year, the UV Index indicates consistently high levels of solar radiation, with extreme exposure categories persisting from January to December. Notably, the highest UV Index readings occur in February and March, reaching 16, which means that burn time is as little as 10 minutes per exposure. Consequently, January through April stand out as high-risk months, necessitating increased protection against UV exposure. Residents and visitors are strongly advised to wear protective clothing, apply broad-spectrum sunscreen frequently, and seek shade whenever possible, especially during peak hours from 10 AM to 4 PM. Staying informed about daily UV Index levels is essential for ensuring safety and health while enjoying outdoor activities year-round.

Monthly Maximum UV Index for Semuda, Indonesia

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

The table above highlights how UV exposure in Semuda 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.

Semuda'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
Semuda	14	16	16	15	14	12	12	13	15	15	14	14