UV Index in Alasmalang, Indonesia

Last updated: July 2, 2025

In Alasmalang, Indonesia, being aware of the UV Index is essential for safeguarding your skin and overall health. With the region's tropical climate bringing intense sunlight, understanding UV levels can help you prevent sunburn and long-term skin damage. During peak hours, particularly around 10 AM to 1 PM, the UV Index can soar to levels as high as 12, indicating extreme exposure risks. By monitoring this crucial metric, you can enjoy the beautiful outdoors while keeping your skin safe from harmful ultraviolet rays.

Hourly UV Index in Alasmalang

As the day begins, the UV Index starts at a mild 2 at 7:00 AM, but it quickly escalates as the sun rises. By 10:00 AM, it peaks at a striking 10, indicating a high risk of harm from unprotected sun exposure. The intensity continues to dominate until 12:00 PM, when it slightly dips to 11 but remains a major concern. As afternoon approaches, the UV Index gradually descends from 9 at 1:00 PM to 6 by 2:00 PM, before more noticeable declines occur, settling at 3 by 3:00 PM. The evening brings a steady reduction, with readings plummeting to 1 by 4:00 PM and 5:00 PM, and finally dropping to zero after 6:00 PM. It's a vivid reminder that during peak hours, taking precautions against sun exposure is essential for skin health!

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	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	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 Alasmalang

The UV Index in the region exhibits extreme levels throughout the year, with a consistent high-risk period from January to March where the index peaks at 16 in February. While the intensity slightly diminishes from April to June, it remains at an extreme level, with July and August experiencing 11 to 13. As we transition into the fall, the index remains concerning, with September and October both reaching 15. Given these consistent and elevated UV levels, visitors and residents are strongly advised to take precautions, such as wearing protective clothing, applying sunscreen, and seeking shade, especially during peak sun exposure times. Remember, even on cloudy days, UV rays can be harmful, so staying vigilant year-round is crucial for skin health.

Monthly Maximum UV Index for Alasmalang, Indonesia

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

The table above highlights how UV exposure in Alasmalang 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.

Alasmalang'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
Alasmalang	13	16	15	14	13	11	12	13	15	15	14	14