UV Index in Gelang, Indonesia

Last updated: August 1, 2025

In Gelang, Indonesia, understanding the UV Index is essential for safeguarding your skin and overall health. As a tropical region with a climate characterized by warm, sunny days, residents and visitors alike should be aware of the potential risks associated with high UV levels, especially during peak hours. With a maximum UV Index soaring to 12 at midday, the threat of sunburn and long-term skin damage becomes significantly heightened. By staying informed about UV levels and taking appropriate protective measures, you can enjoy the vibrant sun-soaked days of Gelang while keeping your skin healthy and radiant.

Hourly UV Index in Gelang

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	5	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 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 Gelang

Throughout the year, UV Index levels remain consistently high, underscoring the need for heightened sun safety awareness. The highest UV indices are recorded in February (16) and October (16), while other months also see extreme levels, ranging from 13 to 15. Notably, every month presents a burn time of just 10 minutes, emphasizing that even brief exposure can lead to skin damage. Residents and visitors are strongly advised to take precautions during these high-risk months, such as wearing sunscreen, protective clothing, and seeking shade, especially when outdoors. Remember, the sun's rays can be harmful even on cloudy days, so maintain vigilance year-round.

Monthly Maximum UV Index for Gelang, Indonesia

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

The table above highlights how UV exposure in Gelang 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.

Gelang'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
Gelang	14	16	15	14	13	11	12	14	15	16	15	15